First add three than minus two
0.81 is 81/100 as a fraction.
I’m guessing 8 is the radius so the formula is 2pi(r)
And when you plug in 8 into r you have 2pi(8)
When you solve it you should get 50.24
Can you pls mark brainleist
Teh answer is c just make the 20% into 0.2 then times 0.2 by 30 and you will get cost of the sweater
Answer:
Cube the scale factor 0.25. Then multiply the volume of the box by 0.015625.