1.
Solve
t
= (-7)(-3).
A.
-10
B.
-21
C.
21
D.
10
Hint
2.
Solve
a
= (-1)(-4)(-3).
A.
-8
B.
13
C.
12
D.
-12
Hint
3.
Evaluate the expression -5
ac
if
a
= -2 and
c
= -3.
A.
-10
B.
30
C.
-30
D.
10
Hint
4.
Solve
d
= (5)(-7)(2).
A.
d
= -4
B.
d
= 0
C.
d
= 70
D.
d
= -70
Hint
5.
Shelia went on an exercise program that lasted 6 weeks. She increased the weight she was lifting by 5 pounds per week. What was her total change in weight lifted?
A.
11 pounds
B.
-30 pounds
C.
30 pounds
D.
1 pound
Hint