1.
Solve
A.
B.
7
C.
10
D.
Hint
2.
Solve
A.
-3 <
y
< 0 or
y
> 1
B.
y
< -3
C.
y
< -3 or 0 <
y
< 1
D.
-3 <
y
< 1
Hint
3.
Solve
. Check your solution.
A.
–4
B.
–2
C.
6
D.
6 and –2
Hint
4.
John ran a marathon on a windy day. He ran the first 13 miles into the wind, and the last 13 miles with the wind at his back, and he completed the course in 3 hours. How fast is John in still conditions if the wind speed was 4 miles per hour?
A.
8.7 mph
B.
10.2 mph
C.
–1.6 mph
D.
12.7 mph
Hint
5.
Solve
.
A.
–
and 7
B.
–
C.
0 and 7
D.
7
Hint