Answer:
B. (Graph Z)
Step-by-step explanation:
A nonlinear rate is always expressed as a curve on a graph.





The second equation gives

, but

for any real

, so we can ignore this equation.
This leaves us with

where

is any integer.
I think the answer is a=7b*9/2=31.5M
Answer:
42
Step-by-step explanation:
60% is 3/5 of the total, and the total is 70. 70/5 is 14, and 14 x 3 is 42.
hope this helped!