Choose the correct product of (9x − 5)(9x + 5).
81x2 + 90x + 25
81x2 − 25
81x2 + 25
81x2 − 90x + 25

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

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

An of a of 60. a of 36 is . isbe ?to .