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.
5
B.
45
C.
9
D.
405
Hint
3.
Write an equation to represent ''
x
increased by 50 is 72.''
A.
50
x
B.
x
+ 50
C.
x
- 50
D.
50 -
x
Hint
4.
Malik is
x
years old. Abdul is 6 years younger than Malik. Write an expression to find Abdul's age.
A.
x
– 6
B.
C.
6 –
x
D.
x
+ 6
Hint
5.
Evaluate
j
-
k
if
j
= 10 and
k
= 2.
A.
5
B.
12
C.
20
D.
8
Hint