1.
What is the value of 3
s
(
t
+11) - 6
r
if
r
= 21,
s
= 9, and
t
= 11?
A.
480
B.
175
C.
531
D.
468
Hint
2.
Translate the phrase ''three less than a number'' into an algebraic expression.
A.
3
x
B.
x
+ 3
C.
x
- 3
D.
3 -
x
Hint
3.
Evaluate
q
–
z
+ 20, if
q
= 10 and
z
= 6.
A.
24
B.
80
C.
36
D.
16
Hint
4.
Evaluate the following expression if
b
= 3 and
c
= 11: 10
b
+ 3
c
.
A.
66
B.
43
C.
27
D.
63
Hint
5.
Evaluate the following expression for
x
= 10 and
A.
16
B.
20
C.
160
D.
2
Hint