If Isaac has 21 green marbles and 7 blue marbles and wants to make equal groups with none left over, what is the greatest number of groups he can make?

If y=-4 when x=10 find y when x=2

You have two boxes of colored pens. The first box contains a red pen, a blue pen, and green pen. The second box contains a yellow pen, a red pen, and a black pen. What is the set that represents all the pens? A. {red pen, blue pen, green pen} B.

Find the qoutient 45 divided by 5/11

Evaluate the expression 53 : (13 - 8) * 2 (Numerical Answer Suspected.)

What is the ratio of 14 and 63

What is the interest earned on $400 invested at the rate of 6% for one year?

How many solutions are to 2x - 5y=17 6x-15y=51

What does it mean if a quotient is undefined? (1.5/2.4) ?

A triangle contains the angles 75" and 45". What is the missing angle in the triangle

I am a graph that records each piece of data above a number line