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

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

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

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

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