1.
Evaluate 9
^{2}
.
A.
81
B.
72
C.
18
D.
89
Hint
2.
Evaluate 21
^{2}
.
A.
422
B.
442
C.
441
D.
421
Hint
3.
Mr. Williams finds tile on sale for $2.00 per square foot. If he wants to put tile in a square room that measures 12 feet on each side, how much will he spend?
A.
$240
B.
$288
C.
$144
D.
$100
Hint
4.
Which number is a perfect square?
A.
327
B.
324
C.
326
D.
325
Hint
5.
The area of a square is 529 square feet. Find the perimeter.
A.
92 ft
B.
45 ft
C.
46 ft
D.
90 ft
Hint