Identify the values of a, b, and c that would be used in the quadratic formula to solve the equation −9x = 13 − 5x2. a. a = −9, b = 13, c = −5 b. a = −5, b = 9, c = 13 c. a = 13, b = 9, c = 5 d. a = 9, b = 5, c = 13

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat