Choose the equation you can use to solve the following problem. Jamal spends 15 on a pair of soccer shorts. He has $10 left. How much money did he have before buying the shorts m represents the money Jamal had to start A. m + 10 = 15.
B. m -10 = 5.
C. m + 15 = 40.
D. m-15 = 10.

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Consider the function f(x)=-5x+3 what is f(-2)

What is the result of adding the system of equations? 2x+y=4 3x-y=6