12. Nick picks a random whole number from 1 to 20

Calculate the probability that the number Nick
chose is a multiple of:

a) 2
b) 3
c) 2 and 3
d) 2 or 3
e) 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?