Directly proportional or positively correlated
Answer:
17.5
Step-by-step explanation:
90% sure
Multiply both sides by 3 to get:
3r = sqrt(A)
Square both sides:
9r^2 = A
If each week the tank decreased by 3 inches, in 2 weeks it would be 6 in, 3 weeks is 9 in, 4 weeks would be 12 in, and 5 weeks would be 15 in.
Answer:
I think elimination with subtraction would be the best answer choice, since all the numbers are positive.