1.
Identify the algebraic expression that does not represent the multiplication of 14 and the variable z.
A.
14
z
B.
14 +
z
C.
14 ×
z
D.
14
·
z
Hint
2.
Evaluate 26 +
a
if
a
= 8.
A.
30
B.
38
C.
18
D.
34
Hint
3.
The cost of admission to a science museum is 12
a
+ 5
c
, where
a
represents the number of adults and
c
represents the number of children. How much would it cost for 2 adults and 3 children to go to the museum?
A.
$27
B.
$22
C.
$39
D.
$46
Hint
4.
Evaluate 2
xy
+ 9 if
x
= 3 and
y
= 2.
A.
21
B.
12
C.
66
D.
15
Hint
5.
Evaluate
x
3
if
x
= 7.
A.
2,187
B.
343
C.
21
D.
10
Hint