I will give Branliest to the person who answers it correctly. Please look at the screenshots I took and answer the question the best you can.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?