1.
Solve 3
x
- 9 > 21.
A.
x
< 10
B.
x
> 30
C.
x
> 10
D.
x
< 30
Hint
2.
Solve
+ 6
10.
A.
y > 8
B.
8
C.
y > 4
D.
4
Hint
3.
Write an inequality to represent ''20 is greater than or equal to 4 times a number.'' Then solve.
A.
5
n
B.
80
n
C.
4
n
D.
5
n
Hint
4.
Find the solution of -7.1
n
+ 2.5 > -47.2.
A.
n
< 7
B.
n
< 6.3
C.
n
> 6.3
D.
n
> 7
Hint
5.
Solve 12 < -3
x
.
A.
4 <
x
B.
4 >
x
C.
-4 >
x
D.
-4 <
x
Hint