Answer:
8,600 acres are old-growth trees.
Step-by-step explanation:
You can find this by multiplying the percentage by the overall number of acres
20% * 43,000 = 8,600
Answer:
y=2x^2+1
Step-by-step explanation:
a quadratic equation has a x^2 term
let the time taken to be filled by both pipes be y
1/2 +1/8=1/y
(4+1)/8=1/y
5/8=y
cross multiplying
5y=8
y=8/5
=1.6hrs
P (A and B) = P(A) * P(B)...answer is D