Susan found a bag of 20 golf balls at a garage sale, and bought the bag for 75 cents. express the ratio of cost to number of balls in lowest terms. 20: 75 75: 20 4: 15 15: 4

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.