Find the length of the arc shown in red leave your answer in terms of pi
The length of the arc is__m

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

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