Jin buys 4 balls of yarn for a total of $23.78 she pays with two $20 bill's. what is her change?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.