If f(x)=x^3 −17x^2 +76x−60, which of the following is a factor of f(x)?

What is the range for 31,39,29,34,37,24,36,33,34,28

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

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?