Brian counted 15 red cars and 20 blue cars in the parking lot. If the number of red cars stays the same, how many more blue cars would need to be added so the ratio of red cars to blue cars is 1 to 2?

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?