Maria is twice as old as Sue. If x represents Sue's age, which expression represents how old Maria will be in three years?

What would you use a positive and negative number line for?

A local hamburger shop sold a combined total of 600 hamburgers and cheeseburgers on Thursday. There were 50 more cheeseburgers sold than hamburgers. How many hamburgers were sold on Thursday?

Solve the following system of equations 3X + 5Y=16 2X+7Y=7

Round 5.04 to to nearest tenth

How do you simplify 8 (2x+1) + 3?

What is 78% of 112? ...

Is 10/3 irrational or rational

What is the difference between distance and length?

How many times dose 34 go into 140

What expression is equivalent to 4 (0.5x-8)