562 hamburgers and cheeseburgers were sold together one day. There were 62 more cheeseburgers than hamburgers. How many hamburgers and cheeseburgers were sold?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase