Me 19 points this is due today i know the answer is -47 but i dont know how to work the problem out to show my work (-4) – 44 – (-1) asap due today

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

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

Item 1 solve for s. s+24=90 −114 −66 66 114