Algebraic expressions

Which is NOT a word phrase for the algebraic expression.
n + 16

• a number increased by 16
• 16 increased by a number
• the sum of a number and 16
• 16 more than a number

Combine like terms. Simplify. 
11g-9g+8g

• 10g
• 9g
• 2g
• 11g

The sum of seven and x

• 7-x
• x-7
• 7x
• 7+x

Five times Mike's age, increased by nine

• 5(x+9)
• 9(5+x)
• 9x+5
• 5x+9

Evaluate 24 - 4t for t = 4

• 20
• 24
• 8
• 6

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

7k - 14 = 42

• 7

• -8

• 0

• 8

2(2x - 1) = 10

• 3

• 2

• 6

• 2.25

2(2x - 1) = 10

• 3

• 2

• 6

• 2.25