In a recent year, 4 out of 5 movies cost $50 and $99 million to make. at this rate, how many movies in a year with 512 new releases would you predict to cost between $50 and $99 million to make?

The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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