15. The temperature dropped 2 °Fevery hour for 6 hours. What was the total number of degrees the temperature changed in the 6 hours?
I need help.. :,((( pleasee

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

Asap! i'm not good math and i'm lost.

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.