1.   Find the square root
    A. B. 11
    C. 121 D.
    Hint

  2.   Evaluate when a = 5 and b = 20.
    A. 5 B. 25
    C. D. -5
    Hint

  3.   Evaluate when x = 15 and y = 15.
    A. 15 B. -15
    C. -225 D. 225
    Hint

  4.   To what set of numbers does belong?
    A. irrationals B. whole numbers
    C. integers D. rationals
    Hint

  5.   The area of a square is 100 square inches. Find the perimeter of the square.
    A. 10 in. B. 100 in.
    C. 20 in. D. 40 in.
    Hint