The record time for running the boston marathon is 2.12 hours at an average speed of 12.5 miles per hour. what distance does the boston marathon approximately cover?

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions