Answer:
Exponential decay
Step-by-step explanation:
the answer is not linear decrease cause the price doesn't decrease the same every year
.. ..
A≈78.54
A=πr2
I think this is right
D 90
x/4 ≥ 20
Multiply each side by 4
4*x/4 ≥ 20*4
x ≥ 80
The only number greater than or equal to 80 is 90
