Which algebraic representation shows the effect that a reflection over the x-axis will have on the coordinates of a figure? A. (x, -y)
B. (-x, y)
C. (-x, -y)
D. (-y, x)
The answer is B. (-x, y)

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?