If y=x^2, then which expression is equivalent to - y?

a: (-x) ^2

b: - x^2

c: - x

d: x^-2

e: x

A 9,000-lb load is suspended from the roof in a shopping mall with a 16-ft-long solid aluminum rod. The modulus of elasticity of the aluminum is 10,000,000 psi. If the maximum rod elongation must be limited to 0.50 in.

Find the equation for the straight line through (0,2) and (2,2)

5x3/5 (n+25) = 5 (10+2/5n)

4.875 inches long in expanded fraction form

Simplify 3 (y cubed) fourth power

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble

Solve for x: 2 over 3 (x - 4) = 2x. 2 - 2 - 8 - 4