Warren is trying to incorporate more exercise into his busy schedule. He has several short exercise routines he can complete at home. Last week, he worked out for a total of 142 minutes by doing 3 arm routines and 4 abdominal routines. This week, he has completed 3 arm routines and 2 abdominal routines and spent a total of 98 minutes exercising. How long does each routine last?

An arm routine takes
minutes to complete, and an abdominal routine takes
minutes to complete.

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie