The sixth-grade class at west side school starts a charity collection on monday, with $78 donated by the parents organization. they plan to add $2 to the fund each day .how much will they have after 90 days?

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

Find the area of a parallelogram with base 15 yards and height 21 2/3

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)