from a complete stop, a car reaches a velocity of 280 km/s east in 7 seconds.
what is the rate of acceleration?
(1 point)
a. 4 (km/s)/s
b. 7 (km/s)/s
c. 40 (km/s)/s
d. 70 (km/s)/s

The adventures of tom sawyer, chapter 1 (excert)what does tom do to prevent aunt polly from finding out that he ate her jam? a) tom hides under the bed and then in the closet b) tom hide under the bed and tries to blame the cat c) tom hides in the closet so that aunt polly would not see him d) tom tried to wash the jam off and lied to aunt polly about the cat

Passage: mrs. smith’s sixth-grade class filed onto the grassy field behind the middle school after lunch. as she exited the building, chelsea looked around for her closest friend, brittany. she spotted her by the swings, talking to their classmate brian. 2 “brian thinks he’s the fastest person in mrs. smith’s class,” brittany told her when she had joined them. it was obvious that brittany didn’t agree with brian. 3 “i guarantee i can beat anyone in this class to a race,” brian said, tugging on the scarlet baseball cap that he wore each and every day. “in fact, i bet i can run faster than the seventh, eighth, and even ninth graders, too! ” 4chelsea rolled her eyes, but wasn’t astonished by his declaration. brian was typically overconfident; he was always challenging other students and expecting to win. according to brian, he was so talented that he could hit more home runs than children on the baseball team and even could repeatedly make more baskets than the boys and girls on the basketball team. 5 “who dares to challenge me? ” brian shouted, directing his question to every student on the playground. the students looked around, but no one volunteered. 6 “i’ll race you,” chelsea said, breaking the awkward silence. she knew she wasn’t the fastest person on the playground, but if she possessed the determination necessary to win, perhaps she could complete the race first. 7 “first person around the field wins,” said brian, stretching his legs and jumping up and down to ready himself for the race. 8they approached the starting line, and brittany counted to three. 9 “see you at the finish line! ” brian exclaimed and left chelsea in the dust. 10brian soon disappeared around the first turn. chelsea took a deep breath and continued to run at a quick pace. the sun was warm and she soon grew tired, but she didn’t stop. ahead, brian approached the finish line and as he began to celebrate, she watched him trip over a small mound of dirt and fall to the ground. 11as chelsea reached the finish line, she noticed that brian was still seated on the ground, rubbing his injured knee. instead of running past him and winning the race, chelsea stooped down to him stand. he leaned on her shoulder, and they completed the race together. 12 “you could've won,” brian said as their friends came out to congratulate them. 13chelsea smiled. “friends are more important than winning,” she said. 14brian smiled at her. “my thoughts exactly,” he said question: which action in the story advance the plot the most? a) when chelsea accepts brian's challenge to race him b) when chelsea rolled her eyes at irritation at brian's pride c) when chelsea reached the finish line and brian finish the race d) when brittany told chelsea that brian thinks he's the fastest in the class

Read the following excerpt from anne frank remembered by miep gies. i said to myself, you can do what you like, even drink poison, but i will stay here. then he said again, "i'll be back to check on you. one wrong move and off you go to prison too." he turned and shut me into the room alone. i had no idea where he'd gone. i had no idea what was going on in the rest of the house. i was in a terrible mental state. i felt as though i were falling into a bottomless hole. which sentence from the excerpt would a prepared speaker best use to support the viewpoint that miep gies was in terrible danger? i said to myself, you can do what you like, even drink poison, but i will stay here. then he said again, "i'll be back to check on you. one wrong move and off you go to prison too." i had no idea what was going on in the rest of the house. i felt as though i were falling into a bottomless hole.