Solve the system of equations given below. -5x=y-5
-2y=-x-21
A.
(-1,-23)
B.
(-1,10)
C.
(10,-45)
D.
(10,16)

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

Which of the following can be used to explain a statement in a geometric proof?