Solve the equation by the method of your choice. Simplify irrational solutions, if possible.3x2 - 5x - 8 = 0

A.
B.
C.
D.


Answer: C

Mathematics

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Provide an appropriate response.If a > b, then ac > bc, and  >  , provided that:

A. c is greater than zero. B. c is a negative integer. C. c is not equal to zero. D. c is less than zero.

Mathematics

Dawn is verifying the accuracy of her paycheck. She earns $12 an hour and works 40 hours each week. Her biweekly deductions are Social Security 6.2%, Medicare 1.45%, federal withholding tax $73.25, state withholding tax $22.50, and health insurance $37.47. What is her net pay if she is paid biweekly?

A. $753.34 B. $779.44 C. $784.34 D. $826.78

Mathematics

Solve the problem.The perimeter of a rectangular parking lot is 500 yards. Find the dimensions of the lot if the length is 50 yards more than three times the width.

A. 150 yd by 50 yd B. 100 yd by 50 yd C. 200 yd by 50 yd D. 200 yd by 100 yd

Mathematics

Solve the problem.If v = 2i - 4j - 5k and w = 5i + 6k, then evaluate v × w.

A. -24i + 13j - 20k B. 20i + 24j + 37k C. 20i + 40j - 8k D. -24i - 37j + 20k

Mathematics