What is 45 + (-15) + 7

Solve the system by substitution 2.5x-3y=-13 3.25x-y=-14

Solve equation then graph -25x+y=65

Delia worked for 45 minutes on her oil painting She took a break at 10:35 A. M. at what did she start working on the painting

An economical automobile can travel 416 miles on just 13 gallons of gasoline. How many gallons of gasoline will be needed for a trip of 1792 miles?

A town has 5000 people in year t=0. Calculate how long it takes for the population P to double once, twice, and three times, assuming that the town grows at a constant rate of (a) 500 people per year. (b) 5% per year.

Witch is bigger 3/6 or 3/8?

Factor completely: r2-11r+18 A.) (r-6) (r-3) B.) (r+6) (r+3) C.) (r-9) (r-2) D.) (r+9) (r+2)

A freezer was sold during a clearance sale for $387.50. If the freezer was sold at a discount of 16 and two thirds % , what was the list price?

Whats 40a-8 factorize

Nathan does push ups for the same amount everyday. He does 9 minutes of push ups for 3 days. How many minutes of push ups does Nathan do in 7 days?