Translating and Simplifying Algebraic Expressions

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five

• eight

• six

• nine

Which one is the coefficient?
6f² - 9

• 6

• f

• 2

• 9

Simplify the expression:
6 + 2(7x - 3) 

• 14x + 12

• 14x

• 14x - 12

• 56x - 24

Simplify:
-1x + y - z + 10z + 2x - 10y

• 1x - 9y + 9z

• 1x - 9z - 9y

• -1x - 9z - 9y

• -1x - 9 - 9y

2x + 5x - 4 + 1

• 7x -3

• 10x - 3

• 4x

m plus the product of 6 and n 

• m + 6n

• m - 6 + n

• 6m + n

• m + 6 + n 

Five times Mike's age, increased by nine

• 5(x+9)

• 9(5+x)

• 9x+5

• 5x+9

4 divided by the sum of a number and 12

• 4 / n + 12

• 4 / 12n

• 4 / (n + 12) 

• (4 / n) + 12

What word phrase can you use to represent
"5x + 2"

• five times the sum of a number x and two

• two times the sum of a number x and five

• a number x times the sum of five and two

• the sum of five times a number x and two