1.
Solve
A.
B.
10
C.
7
D.
Hint
2.
Solve
A.
4
B.
-3, 4
C.
-4. 3
D.
-4
Hint
3.
Solve
A.
-3 <
y
< 1
B.
y
< -3
C.
y
< -3 or 0 <
y
< 1
D.
-3 <
y
< 0 or
y
> 1
Hint
4.
Suppose that Pam could build a house in
months and Jerry could build a house in
months. If they work together, how long would it take them to build the house?
A.
months
B.
10 months
C.
months
D.
5 months
Hint
5.
Solve
.
A.
7
B.
–
C.
–
and 7
D.
0 and 7
Hint
months and Jerry could build a house in 
months. If they work together, how long would it take them to build the house?