A washer and dryer cost $642 combined .The washer cost $58 less than the dryer. What js the cost of the dryer?

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?