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
j
÷
k
if
j
= 45 and
k
= 9.
A.
9
B.
405
C.
45
D.
5
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.
$39
C.
$22
D.
$46
Hint
4.
Evaluate 2 + 15 ÷
c
– 4 if
c
= 3.
A.
13
B.
-13
C.
3
D.
2
Hint
5.
How is the prime factorization of 120 written using exponents?
A.
3
4
× 5
B.
2
3
× 3 × 5
C.
2
4
× 3 × 5
D.
2
2
× 3 × 5
Hint