Evaluate a²+ab-b² + 5 when a = 2 and b = 3. is A. 0. B 1 C. 6 D 11

Kelly spent $45 more on boots than she did on craigslist if you spend $79.50 on my boots how much did you spend on the jeans

The area of the rectangle a roof on a doll house is 756 in.² the length of the room is 108 inches how many inches wide is the roof

Hi what three 33889+5555 times 84 divided by sixteen

When citric acid reacts with baking soda, a salt, water and a gas are produced. What is the name of the gas?

What is 3/4 plus 4 1/2

You buy 15 flowers at the flower shop. Carnations cost $2 each and daises cost $4 each. You spend $40. How many carnations and daisies do you buy?

Find the value of sin210° How do you find this?

Elizabith uses 23.25 ounces of granola and 10.5 ounces of raisins for 15 servings of tril mix if each serving contains the same amount of trail mix how much is in each serving

The circle below is centered at the origin, and the length of its radius is 7. What is the circles equation?

1. Evaluate the expression when x=2, y = 3, and z = - 9: