A circular fence is being placed to surround a tree. The diameter of the fence is 4 feet. How much fencing is used? Use 3.14 for pi.

The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

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