Ashley practiced the piano for 41 minutes. She practiced 13 minutes
I less than her brother did. Write and
solve an equation to determine how
long her brother practiced the piano.

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

Multiply. write your answer in simplest form. 3/8 x 5/7

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)