1.
Evaluate
c
+ 5 if
c
= 3.
A.
3
B.
5
C.
c
+ 3
D.
8
Hint
2.
Evaluate
if
a
= 5,
b
= 6 and
c
= 3.
A.
3
B.
10
C.
D.
30
Hint
3.
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.
40
D.
20
Hint
4.
Evaluate
y
^{3}
if
y
= 4.
A.
43
B.
16
C.
12
D.
64
Hint
5.
Evaluate
j

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