Pls help! will give brainlist!

what is the Y coordinate of the ordered pair that satisfies the system of linear equations?

A. -2
B. 1
C. -1
D. 2

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.]

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Which is the graph of this function 3 square root of x plus one if