Monomials. Help I have a test...

(-9r^6s^4)^2

The table represents a linear function. what is the slope of the function? –6 –4 4 6

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?

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)