Erica baby sits for 4 1/2 hours and is paid $27.
a. how much does she make per hour?
b. how much does she make for 8 hours?
c. if the people she babysits for have $34 to pay her, how long can they stay out.

Chose the graph below that represents the following system of inequality’s

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?