Simplify each each expression. if not possible, write simplified. the bottom questions: rewrite each expression using the distributive property then simplify

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

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