1.
Evaluate 2
a
+
b
- 12 if
a
= 14 and
b
= 12.
A.
28
B.
40
C.
9
D.
19
Hint
2.
What is the value of 3
s
(
t
+11) - 6
r
if
r
= 21,
s
= 9, and
t
= 11?
A.
175
B.
531
C.
480
D.
468
Hint
3.
Translate the phrase ''three less than a number'' into an algebraic expression.
A.
3
x
B.
3 -
x
C.
x
- 3
D.
x
+ 3
Hint
4.
Write the phrase ''18 more than 4 times a number'' as an algebraic expression.
A.
4
x
+ 18
B.
4
x
- 18
C.
4 + 18
x
D.
4 +
x
+ 18
Hint
5.
A verbal phrase for 6
n
- 4 is ______.
A.
the difference of six times a number and four
B.
four less than six and a number
C.
four more than six times a number
D.
the product of six and four less than a number
Hint