As part of her training routine for basketball, Shaylee alternates between cycling and running for exercise. She cycles at a rate of 12 miles an hour and runs at a rate of 8 miles an hour if she spends 4.5 hours exercising and covers a total of 46 miles, how much time did she spend on each exercise

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.

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)

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.