Tanya and Adeola multiplied 399 by 25,. Tanya's awnser was 2793, and Adeola's was 9975, Whose awnser was reasonable, explain, and also explain the other studens awnser (NO CALCULATORS, AND IF U NEED ONE MAKE IT LOOK LIKE U DIDNT USE ONE)

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

Would greatly appreciate these 3 answers