Forty-two percent of the african-american pilots who served in wwii came to the awards ceremony. one thousand african-american pilots served in wwii. how many of them came to the awards ceremony?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.