Tan theta + sec theta = csc theta +1 / cot theta

verify each identity.

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?

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter