Answer is 2 inches per hour.
12 inches/6 hours divided by 6 is 2 inches/ 1 hour.
B. D represents the amount of dimes and q represents the amount of quarters so that equals 20 coins total. 0.25q is the amount of quarters multiples by their cost, when added to 0.1d it equals 4.25.
Answer:
I am pretty sure the answer is B.
F(g(a)) = f(-2(7)) because f(a)=7 and f(g)=-2