1.
Evaluate
c
+ 5 if
c
= 3.
A.
8
B.
3
C.
5
D.
c
+ 3
Hint
2.
Evaluate
b
^{3}
+ 6 if
b
= 2.
A.
14
B.
512
C.
12
D.
15
Hint
3.
Evaluate
x
+ 5
y
if
x
= 12 and
y
= 9.
A.
71
B.
153
C.
57
D.
47
Hint
4.
In physics, the number
measures the force of gravity between two objects when
a
and
b
each stand for the mass one of the objects and
d
stands for the distance between them. Find the force of gravity when
a
= 5,
b
= 8, and
d
= 2.
A.
5
B.
10
C.
20
D.
40
Hint
5.
Evaluate
j

k
if
j
= 10 and
k
= 2.
A.
20
B.
5
C.
12
D.
8
Hint