Don earns $18.25 per hour. This week, he earned $657 in straight-time pay. How many hours did he work?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?