1.
Evaluate 3
x
+ 2
y
if
x
= 3 and
y
= 7.
A.
23
B.
27
C.
5
D.
105
Hint
2.
Evaluate 7 × (
a
- 4) if
a
= 9.
A.
35
B.
28
C.
63
D.
59
Hint
3.
Evaluate
a
b
+ 8 if
a
= 4 and
b
= 7
A.
36
B.
60
C.
55
D.
28
Hint
4.
Evaluate
x
+ 5
y
if
x
= 12 and
y
= 9.
A.
71
B.
153
C.
57
D.
47
Hint
5.
The after school club purchased five basketballs, six soccer balls, and three volleyballs. How much did the club spend if a basketball costs $14.95, a soccer ball costs $19.99, and a volleyball costs $12?
A.
$225.65
B.
$216.80
C.
$206.72
D.
$230.69
Hint