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

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

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

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

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