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.
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.
$46
B.
$27
C.
$39
D.
$22
Hint
3.
Evaluate 2
xy
+ 9 if
x
= 3 and
y
= 2.
A.
66
B.
21
C.
15
D.
12
Hint
4.
Evaluate 2
c
÷
d
if
c
= 12 and
d
= 3.
A.
2
B.
8
C.
72
D.
4
Hint
5.
What is the prime factorization of 54 using exponents?
A.
2
2
× 3
3
B.
2 × 3
2
C.
2
3
× 3
D.
2 × 3
3
Hint