Simplify: (2x^2 - 9x + 3) + (-7x^2 + 4x - 2)

A. - 5x^2 - 13x + 1

B. - 5x^2 + 5x - 1

C. 9x^2 - 4x + 1

D. - 5x^2 - 5x + 1

Mrs. Robinson bought a novel at a bookstore on sale for 20% off its regular price of $29.99. Mr. Chang bought the same novel at a different bookstore for 10% off its regular price of $25. Which person received the better discount. Explain

Is 24 a perfect square

If a football is kicked in the air from the ground, and it takes 2 seconds to reach a height of 94 feet, what was the initial vertical velocity of the football?

A drawer is filled with 9black shirts, 6white shirts, and 5gray shirts. One shirt is chosen at random from the drawer. Find the probability that it is not a gray shirt.

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A mixture of 12 ounces of vinegar and oil is 40%n vinegar by weight. How many ounces of oil must be added to the mixtue to produce a new mixture that is only 25% vinegar?

An airplane ticket has an area of 80 square centimeters. Its perimeter is 36 centimeters. What are the dimensions of the ticket?