If f(x)=-8x+8 and g(x) = sqrt x-9 what is (f•g)(18)

What is the reflection image of (5,-3) across the line y = -x?

What is the absolute value of the complex number -4-sqrt2i

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.