Regina has two electronic files when i was a size of 3.15 envy and the other has a size of 4.89 embee what is the best estimate of the total size of the two electronic files

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x