Which expression represents "the product of a number g and 8"?

• 8 ÷ g

• 8g

• g + 8

• g - 8

• 2

• 6

• x

• 9

In the expression 5y + r + 6 + 7, how many terms are there?

• 3

• 1

• 4

• 2

Which expression represents "the difference of a number y and 6"?

• y - 6

• 6 + y

• 6 - y

• y/6

Which expression is equivalent to 12x + 20y?

• 12(x + 8y)

• 4(3x + 5y)

• 6(2x + 3y)

• 3(4x + 7y)

• 54

• 4

• 15

• 1000

• 12

• 48

• 60

• 20

• 4106

• 656

• 26

• 14

Evaluate 2ef - f^2 + 4e when e = 10 and f = 6

• 13,036

• 148

• 144

• 124

• 9

• 1.5

• 12

• 144