Ratio, In 2000,the average price for a gallon of gasoline in Mexico was $2....

In 2000,the average price for a gallon of gasoline in Mexico was $2.02. Write a ratio equivalent to $2.02:1 to find out how many gallons of gasoline could have been purchased for $

Basic Algebra, Find the following product (-4)(-2)(5)=

Find the following product (-4)(-2)(5)=

Find out the compound interest, Example: We are investing $100,000 in an ac...

Example: We are investing $100,000 in an account that earns interest at a rate of 7.5% for 54 months.  Find out how much money will be in the account if, (a) Interest is comp

Quadratic equations,

Need help !!!!, how do you solve 2x+ax-7>-12

how do you solve 2x+ax-7>-12

Matrix, given a matrix "A" determine the matrix represented by -5A

given a matrix "A" determine the matrix represented by -5A

Complex fractions, how do I do complex fractions X over 25 over x over 15

how do I do complex fractions X over 25 over x over 15

Grouping to produce a difference of two squares., a^2-b^2-c^2-2bc

a^2-b^2-c^2-2bc

Siplify, 280/388

280/388

Simplifing a rational expression or function, Find the domain: f(x)=3x-8/4...

Find the domain: f(x)=3x-8/4x+20