12. What's the simplified form of 2x + 3 - X + 5?
A. X + 8
B. X-2
C. X-8
D. 3x + 8

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.]

Yo need asap pls ! markin da brainiest too !

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?