You have a bag of 21 green and blue marbles. The ratio of green to blue is 3 to 4. How many marbles are green?

The expression a[ (b-c) + d is equivalent to: A. ab + ac + ad B. ab - ac + d C. ab - ac + d D. ab - c + d E. a - c + d

What is - 5x+2y=9 y=7x

What is a sequence of numbers in which the difference between any two consecutive numbers is a constant called?

Siti had 135 buttons. 5/9 of the buttons were red and the rest were blue. She used 64 red buttons and bought some more blue buttons. She had 84 buttons left in the end. How many blue buttons did Siti buy?

2) A restaurant needs to buy six hundred fifty-eight new plates. If each box has five plates in it, how many boxes will they need to buy?

The earnings of two employees are given below: Employees A: 6% commission on all sales. Employee B: 4% commission on the first $80,000 and 8% on anything over $80,000.

Are these two lines parallel y + 8 = - 6x -2x + y = 5

What is the value between the 9s in 709,946,107

A=3b+2 then b=? What does B equal?

How would i answer | 3x | < - 6