Find a formula for the inverse.

f (x) = 6x

f-1 (x) =

Solve the equation 3b=42

In Ms. Johnson's class there are 28 student desks. Each measures 26.17 inches long. If you were to line up all the desks end-to-end, how long would all the desks be?

If 5x^5 = 105 then 2x^5 = ?

The sum of the speeds of two trains is 720.6 mph. If the speed of the first train is 1.4 mph faster than that of the second train find the speeds of each

Which equation will solve the following word problem? Chicago had 1,154,226 residents. 14% of the residents moved away. How many people now reside in Chicago? 1,154,226 - (1,154,226 /.14) = P 1,154,226 / (1,154,226 *.14) = P 1,154,226 + (1,154,226 *.

The variables x and y vary directly. If x = 3 and y=-9, write an equation that relates x and y.

A backpacking company requires each camper to bring a lantern to go on a trip. The company supplies 4 extra in case any lanterns get lost or broken. Write an equation if c represent the number of campers and l represent the total number of lanterns.

A random sample of 25 tablets of buffered aspirin contains, on average, 325.05 mg of aspirin per tablet, with a standard deviation of 0.5 mg. Find the 95% confidence interval for the mean content of this brand of buffered aspirin.

Three painters can paint three walls in three mins how many painters are needed to paint 27wall in 9 mins

in Oklahoma the states sales tax is 7%. if James purchases a lawn mower then how much will James pay in states sales tax