Round each number to the nearest ten.
what is the best estimate for the answer to 552.17 – 48.35 ?

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?

Divide. write in the simplest form. 4 1/6 divided by 10

[15 points, algebra 2]simplify the complex fraction and find the restrictions.