1.   Find the value of the expression if x = 6.

(x + 8) + 3

    A. (6 + 8) + 3 = 17 B. (6 8) + 3 = 51
    C. (6 + 8) + 3 = 26 D. 6 + 8 = 14
    Hint

  2.   Find the value of the expression if m = 4.

9 − (m + 2)

    A. 9 − 4 + 2 = 7 B. 9 − 4 = 5
    C. 9 − (4 + 2) = 3 D. 9 + (4 + 2) = 15
    Hint

  3.   Write an expression for the situation.

three more than y

    A. y + y + y B. y + 3
    C. y − 3 D. 3 − y
    Hint

  4.   Write an expression for the situation.

the sum of 24 and k

    A. 24 − k B. 24 + k
    C. 24 + k + 24 D. k − 24
    Hint

  5.   The length of a bottle-nose dolphin is 48 inches more than the length of a buffeo dolphin. Let l = the length of a buffeo dolphin.Write an expression for the length of a bottle-nose dolphin.
    A. l + l + 48 B. l + 48
    C. 48 - l D. l − 48
    Hint