Evaluate x - (-y) when x = - 2.31 and y = 5.9

If someone stole $100 from register and return 5 mintues later to purchase $70 worth of item and I give them $30 in change how much money did I loose?

Use the distributive property to express 36+16

A company that manufactures toothpaste is studying five different package designs. Assuming that one design is just as likely to be selected by a consumer as any other design, what selection probability would you assign to each of the package

Write a polynomial in two equivalent forms

Where is a good website I can get great math notes from?

A person in a balloon which is 2,000 feet above the airport finds that the angle of depression to a ship out at sea is 21°. Find the horizontal distance between the balloon and the ship.

Information about the five planets

A rectangular prism has a volume of 100 cubic meters. One of the dimensions is 5 meters. Which pair of measurements could be the other two dimensions of the prism? 1. length = 5 meters, width = 4 meters 2. length = 5 meters, width = 5 meters 3.

There are five people sitting around the dinner table. Each person has 2/10 of a pie on their plate. How much pie is left? Explain

Aria is going to a carnival that has games and rides. Each game costs $3.50 and each ride costs $5. Aria spent $42 altogether at the carnival and the number of rides she went on is 5 more than the number of games she played.