1.
Evaluate 9
^{2}
.
A.
81
B.
18
C.
89
D.
72
Hint
2.
Evaluate 21
^{2}
.
A.
441
B.
421
C.
422
D.
442
Hint
3.
Which is
not
a perfect square?
A.
48
B.
144
C.
169
D.
100
Hint
4.
Find
.
A.
25
B.
15
C.
22
D.
17
Hint
5.
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.
$288
B.
$240
C.
$144
D.
$100
Hint