Change 3/4 to twelfths

How do you write a Function for 7 less than 3 times m is n?

A college has a student to teacher ratio of 30 to 2. If there are 186 teachers at the college, how many students attend the college?

2a - 4c = 20 -3a+b-4c=20 - 4a + 2b + 3c = - 15

An item on sale costs 25% of the original price. If the original price was $40, what is the sale price?

Which expression is not equivalent to the other expressions? -6 (2x - 4) - (12x - 6) + 18 -3 (4x - 3) + 15 -4 (3x + 6)

Isabel had two pages of math homework and four pages of reading homework. If each page had five problems on it, how many problems did she have to complete total?

The difference between a country's exports and imports is called the country's trade balance. If one country had a trade balance of - $102 billion in 1993, $101 billion in 1997, and - $40 billion in 1996.

Math division problem 66:_=_R2

How many times does 144 go into 540

Solve x^2 + 2x - 15 = 0