Evaluate and Write Expressions with Variables

Which expression is equivalent to:
4s + 4s

• 8s

• 8

• s

• 9s

There were 200 children already at summer camp. Then three buses arrived with g children each. Which expression represents the total number of children?

• 200 + 3g

• 200 + g

• 200 + 3

• 200 + g²

Simplify the expression.

⅓(6y + 9)

• 2y + 3

• 2y + 9

• 18y + 27

• 3y + 2

1/3(6x - 3) + 5(x + 2)

• 7x + 9

• 7x + 1

• 7x + 7

Which expression is equivalent to 5x - 30?

• 5(x - 30)

• 5(x - 6)

• 5x(x - 6)

• x(5 - 30)

Use the given expression to answer the following question. 
5x + 9 - 4b
There are _________ terms in the given algebraic expression. 

• 2

• 3

• 4

• 5

Find the product of 2x and 3

What is a number decreased by seventeen?

• n + 17

• n - 17

• 17 + n

• 17 - n

Evaluate Expression x=7, y=15, z=8

9y ÷ (2x+1)

• 5

• 10

• 9

• 19

How many terms are there in the algebraic expression 2x² -3y + 5?

• 2

• 3

• 4

• 5