The first three terms of a geometric sequence are as follows.
81, 27,9

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ab=4 and bc=3, find ah, ch and bh.

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?