Simplify the following expressions. Group like terms together first.

2a - 3ax + 4a + 4ax

8r + 9s - 4r - 7s

x + y + z - 3x - 4y - 2z

9 + 4b + c - 9b - 1

Isaac and his sister plan to surprise their parents by buying them each a pair of shoes. They agree that Isaac will pay 68% of the price since he receives a greater allowance.

Common denominator of 1/6 and 1/9

The CN Tower in Toronto is the second-tallest free-standing structure in the world, at a height of 555 metres (more than half a kilometre!) Buddy is standing due west of the tower, and Holly is standing due east of it.

Tonisha has a lemonade stand. She has $40 in expenses and wants to make at least $64 per day

What is the square root of negative four

Write 4.1 - 3 using words

The eights of the students in ms. Mill's class ride the bus. if there are 24 students in the class, how many students ride the bus? Explain how to use equivalent frations to solve

When a product of intergers has an even number of negative factors then the sign of the product is what

Use full sentences to describe why the product of x^3 and x^7 is x^10

What is the domain? y = - 3x2+4x-6