1.
Evaluate the expression -5
ac
if
a
= -2 and
c
= -3.
A.
10
B.
30
C.
-10
D.
-30
Hint
2.
Solve
t
=
A.
-24
B.
-3
C.
24
D.
-12
Hint
3.
Solve
z
= (-7)(-10).
A.
z
= 70
B.
z
= 17
C.
z
= -3
D.
z
= -70
Hint
4.
Solve
x
=
.
A.
x
= 972
B.
x
= 108
C.
x
= -972
D.
x
= -108
Hint
5.
The temperatures in five Minnesota cities are -7°F, -3°F, 5°F, -4°F, and -6°F. Find the mean (average) temperature of the cities.
A.
1°F
B.
-3°F
C.
-2°F
D.
-4°F
Hint