Simplify the expression. eliminate negative exponents (x^2) (x^7) (x^-3) =

Paul has 2/3 as many postcards as Shawn. The number of postcards Shawn has is 3/5 of the number of postcards Tim has. If the three boys have 280 postcards altogether, how many more postcards does Tim have than Paul?

How many ways can a person select 3 videotapes from a collection of 10 tapes?

Compare 0.02 to 0.020

A jumbo smoothie costs $4.95. Two jumbo smoothies and one medium smoothie cost $.15 more than 4 medium smoothies. How much does a medium smoothie cost?

What is the volume in cubic meters of a greenhouse that is 30 feet long, 15 feet wide, and 8 feet high

Find three examples of percents used in everyday life. Newspapers

What is the unit for surface area

Write an equation With the slope equal to - 4/5 and (0,8)

Find (2x-9) - (6x+5). The difference is.

5. Suppose you are making a scale drawing. Find the length of each object on the scale drawing with the given scale. Then find the scale factor. a. a room 14 feet long; 1 inch = 6 feet b. a tower 40 meters tall; 0.8 centimeter = 1 meter.