90 students represent x percent of the boys at Jones Elementary School. If the boys at Jones Elementary make up 40% of the total school population of x students, what is x?

A. 125

B. 150

C. 225

D. 250

E. 500

Union employees vote for a representative to negotiate on behalf of all workers. This representative negotiates 3% increase in wages, but requires workers to contribute 15% of their $10,000/year health insurance rather than 10% last year.

Which procedure justifies whether - 3x (5-4) + 3 (x-6) is equivalent to - 12x-6? The expressions are not equivalent because and. The expressions are not equivalent because and. The expressions are equivalent because and.

A small combination lock on a suitcase has 3 wheels, each labeled with the 10 digits 0 to 9. How many 3 -digit combinations are possible if digits can be repeated? (Hint: The word combination is a misnomer.

X^2-2x-35=0 solutions

9 (x+3) = 7x-2x+4 solve forx

Determine if the equation x2 - y = 1 defines y as a function of x.

What is 3 3/4 times 2 12/1

What are the next two terms of the following arithmetic sequence - 3, 1, 5, 9, ...

Using cross multiplication, which of the following is the solution to 2 / (x-7) = 3 / (x-5) ? A.-31 B. 11 C.-11 D. 31

This is a very legitimate question ... 2 + 2 = ?