Which of the following expressions is equivalent to [2x + 3(x + y)]- [a(x + y) - 2y]?
A) (1 -a)(x + y)
B) (5-a)(x + y)
C) 2x - 2y + (3 - a)(x + y)^2
D) 2x + 2y + (3 - a)(x + y)^2

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Tomas used 3 1/3 cups of flour and now has 1 2/3cups left. which equation can he use to find f, the number of cups of flour he had to begin with? f+3 1/3=1 2/3 f-3 1/3=1 2/3 3 1/3f=1 2/3 f/3 1/3=1 2/3

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π