Which expression can be used to approximate the expression below, for all positive numbers a, b, and x, where a
1 and b.

What is the length of the unknown leg in the right triangle ?

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?

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.