What is the numerical expression 5/4 more than the sum of 3/4 and -7/4

Can i get some on 18,20,& 22? or one of them

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

Find the zeros of each function. f(x) = 6x^2 - 7x - 20