1.
Evaluate 9
^{2}
.
A.
72
B.
18
C.
81
D.
89
Hint
2.
Evaluate 21
^{2}
.
A.
422
B.
441
C.
421
D.
442
Hint
3.
Which is
not
a perfect square?
A.
144
B.
169
C.
100
D.
48
Hint
4.
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.
$144
B.
$100
C.
$240
D.
$288
Hint
5.
Which number is a perfect square?
A.
325
B.
327
C.
324
D.
326
Hint