X - 2y + 2z = - 2

2x + 3y - z = 0

3x + 2y + 3z = - 15

1/2 pound : 5 days find the unit rate

What is 383 divided by 31

a shoe store that sells only boots and sandals had 20% more pairs of boots than sandals in its inventory. After recieving a shipment of 20 more pairs of sandals, the store had a total of 306 pairs of shoes. How many pairs of boots did the store have

High School · Mathematics · 5+3 pts · The Apache Taxi Company charges $2.50 to pick up a passenger and then adds $1.95 per mile. Isaac was charged $27.46 to go from one city to another.

Renting a movie from a redbox costs $1.29 each night, plus a one-time fee of $o. 50. how much would it cost to rent a movie for 3 night? how much does it cost for 10 nights?

The cost for 7 dance lessons is $82. the cost for 11 is $122. write a linear equations to find the total cost C for L dance lessons. How much for 4 lessons?

What is 9.09 repeating as a fraction?

The number of gallons of water in a tank that already has 300 gallons in it after being filled at 35 gallons per minute for m minutes

The Tennis Teams of Atlanta need to older tennis balla for the upcoming tournament. They will need 2,367 tennis balls. If each can hold 5 tennis balls, how Many will they purchase

42 is subtracted from 42% of a number. The result is 42. What is the number?