1.
Solve 12  (3) =
m
.
A.
9
B.
15
C.
9
D.
15
Hint
2.
Evaluate
x

y
if
x
= 2 and
y
= 7.
A.
9
B.
9
C.
5
D.
5
Hint
3.
Solve
x
= 9  (7).
A.
2
B.
2
C.
16
D.
16
Hint
4.
Solve
z
= 15  7.
A.
22
B.
22
C.
8
D.
8
Hint
5.
The record high and low temperatures recorded in New York are 108°F and 52°F, respectively. What is the range of temperatures?
A.
160°F
B.
56°F
C.
56°F
D.
160°F
Hint