An item is regularly priced at $15. Frank bought it on sale for 75% off the regular price.

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

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?