THE TOPIC IS FIND THE CIRCUMFERENCE OF EACH CIRCLE .. Help pls this is my first question on here and I need help with this pls. I will give you the brainliest and a thanks!! :)) can u do these?

Yo y do yall have 2 stars that means yall wrong bro

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed