If 8a-4b=20 and 4a-8b=4, then what is the value of a-b?

Is 2 tens 3 tenths 1 thousandth greater or less than 20.31

What is the inverse of (2n-8)

The cost of printing a store flyer is $450 for 1000 copies and $880 for 2000 copies. Write a linear equation modeling this data. Then, find the amount of money it would cost to print 6245 copies.

A man realizes he lost the detailed receipt from the store and only has the credit card receipt with the after-tax total. If the after-tax total was $1,223.79, and the tax rate in the area is 8.3%, what was the pre-tax subtotal?

Which graph represents the equation y=4x

A pet store has 10 puppies, including 3 poodles, 4 terriers, and 3 retrievers. if rebecka and aaron, in that order, each select one puppy at random with replacement (they may both select the same one), find the probability that they both select a

Luisa has 8 chapters of a book left to read. If she reads 2/3 of a chapter a day, how many days will it take her to finish the book?

If a room needs 7 rolls of wire, how much will 7/10 of 1 roll do

What is the difference between 25 4/9 and 12 / 16

How to solve 1.3 (2) + p = 7.9