Marisela added 7 seashells to her collection. She now has 68 seashells. Write and solve an
equation to find the number of seashells
she originally had.

Find the area of the regular hexagon if a side is 20 cm.

Acircle has a circumference of 7.850 units. what is its radius?

Harry and jay are both flying on the same plane with an airline that randomly assigns seats to passengers. of the 182 total seats on the plane, 62 are window seats, 58 are middle seats, and the rest are aisle seats. what is the approximate probability that both harry and jay will be assigned aisle seats on the same plane? a. 11.48% b. 3.3% c. 2.08% d. 26.26%