Identify the slope and y-intercept.
Y-5 = 3x
a. m = 5, b = -3
b. m = -3, b = -5
c. m = -3, b = 5
d. m = -5, b = -3

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?