3tennis balls for 4.95
4 tennis balls for 6.00
coach smith needs to buy 24 tennis balls. how much money will save by purchasing 24 tennis balls in packages with the lowest unit price compared to the highest unit rate?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

What makes a trapezoid an isosceles trapezoid?

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?