X - y = 11 2x + y = 19 using elimination

A baseball team played 20 games. they won 4 games more than they lost. how many games did they win

F (-2) for f (x) = 5.34

A group of 75 friends meets for lunch. They greet each other by exchanging fist bumps. How many fist bumps are exchanged if each friend must bump with each of the 74 others? The above answer of 5,550 is wrong!

What is the total for a $4.70 item with a 6% sales tax with a 20% off discount?

How do I know which operation to use with a word math problem

An airline flies 617 miles in the morning Then it flies 385 miles in the afternoon. About how many more miles does the the airplane fly in the morning.

Which shows the following expression after the negative exponents have been eliminated? - 3a^-2b^3/15a^-7b^-1

The Key Club is selling nachos at the football game to raise money for the club's activities. The club received good prices for the ingredients from the local stores, so each serving of nachos costs them only $0.50.

The sum of two numbers is 76 and their difference is 54. Find each of the numbers.

Find the 88th term of the arithmetic sequence 26, 28, 30, ...