Find the percent change from the first value to the second.

50; 39

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

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)

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.