1.   Evaluate if x = 4 and y = 7:

x + 8

    A. 15 B. 32
    C. 48 D. 12
    Hint

  2.   Evaluate if x = 4 and y = 7:

19 + x

    A. 419 B. 194
    C. 26 D. 23
    Hint

  3.   Evaluate if x = 4 and y = 7:

12 + y

    A. 84 B. 19
    C. 127 D. 16
    Hint

  4.   Evaluate if x = 4 and y = 7:

23 + x

    A. 423 B. 30
    C. 27 D. 234
    Hint

  5.   Write an expression and evaluate it: Chee had b books. She took another 8 books from the library. If b = 14, how many books does Chee have?
    A. b + 8; 6 B. 8b; 112
    C. b + 8; 22 D. b − 8; 6
    Hint