Answer:
Decrease
Step-by-step explanation:
50 is bigger than 20, so it's decreasing and the units are the same.
Answer:
Step-by-step explanation: pi r^2
so 42/2 equals 21 radius
volume=22/7 x 21^2
v=1385
f(2) This means that x is 2, so you plug in 2 for x in the equation




Your answer is D
If you count the squares or units I got 12.