Find area of this figure 3 ft 4 ft 5ft

What’s the numerical coefficient of 6xy

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

What are two numbers that add up to -9 and multiply to -10 best answer gets branliest and 100 extra points