1.
Evaluate 2
a
+
b
- 12 if
a
= 14 and
b
= 12.
A.
40
B.
19
C.
28
D.
9
Hint
2.
Translate the phrase ''three less than a number'' into an algebraic expression.
A.
x
+ 3
B.
x
- 3
C.
3
x
D.
3 -
x
Hint
3.
A verbal phrase for 6
n
- 4 is ______.
A.
four more than six times a number
B.
the product of six and four less than a number
C.
four less than six and a number
D.
the difference of six times a number and four
Hint
4.
Evaluate the following expression if
b
= 3 and
c
= 11: 10
b
+ 3
c
.
A.
66
B.
27
C.
63
D.
43
Hint
5.
Evaluate the following expression for
x
= 10 and
A.
2
B.
160
C.
20
D.
16
Hint