True or false, when n is an negative integer, n-n=0

What are expressions always equivalent to 4 (6+2x)

Brandon earns $24 washing 3 cars. At this rate, how many cars did Brandon wash to earn $80? Brandon washed cars.

What is the x-value of the solution to this system of equations? x = 2y - 4 7x + 5y = - 66 .

Solve for p 17p+p=40-2p

A pizza at papas cost $6.80 plus $0.90 for each topping. The cost of a pizza at little Italy's is $7.30 plus $0.65 for each topping.

The storm drains were [Select] with leaves and branches.

Sunglass shack is having a 30% off sale on sunglasses. Ann paid $32 for a pair of sunglasses. What was the original price?

Ran and his family paid $56.00 for a resraurant meal. they want to leave a tip of 15% for their server. how much should they leave?

Jessica wants to run 7 12 miles to get ready for her upcoming race. She has set up 3 markers the same distance apart to show how far she has run. How far apart are the markers?

There are two sons and two fathers. each person got a third of a pizza and everyone got fed. How is this possible?