Plsss I wanna pass my math class Which expression is equivalent to -28xy+ 35y
( Attachments are the choices )

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

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

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two