Robert climbed 775 steps in 12 1/2 minutes. How many steps did he average per minute

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

4+(2+x) can you me solve this problem

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?