Bruce went hiking on Saturday and followed a trail for 3 7/10 miles. The following week he hiked on a trail that was 3/4 of that distance. Write and solve an equation that will help you figure out how far Bruce hiked the following week. Explain the steps you took to solve the problem. pls show your work

Solve the system of equations. y= 2x y= x^2 - 15

Find the solution(s) to x^2-14+49=0

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score