~only answer if you know for sure~
at the start of the week, you could run for 8 minutes. by the end of the week, you could run for 15 minutes. which proportion could you use to find the percent increase in your running time?
7/15=n/100
8/7=n/100
7/8=n/100
8/15=n/100

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.