5x+4y = 10

-5x+y = 15

A car rents for $10.95 per day, plus $0.15 per mile. You are on a daily budget of $80.00. Within what mileage must you stay to remain within budget?

Together, teammates Pedro and Ricky got 2677 base hits last season. Pedro had 275 more hits than Ricky. How many hits did each player have?

Which of the following is the coefficient in the algebraic expression 2x + yº?

Is 19 a composite number?

During a weekend sale, a store sold 85 DVDs for $19 each. What is the total amount of money, rounded to the nearest hundred, the store made selling the DVDs?

What is 2+2 i need to know

A track and field playing area is in the shape of a rectangle with semicircles at each end. The perimeter of the track is to be 1200 meters.

Nicole has a stack of 50 dishes to wash. It took her 2 minutes to wash 8 dishes. At this rate, how long will it take Nicole to wash all 50 dishes?

Jack bought 5 pounds of holloween candy. He gave out 3 pounds of the candy to trick or treaters and ate 10 ounces of the candy. How many ounces oof halloween candy does jack have

What is the value of n (-y+5.3) + (7.2y-9) = 6.2y+n