1.
Solve
A.
10
B.
C.
D.
7
Hint
2.
Solve
A.
-1
B.
1, 4
C.
-1, 4
D.
0
Hint
3.
Solve
A.
-4. 3
B.
4
C.
-3, 4
D.
-4
Hint
4.
Solve
A.
-3 <
y
< 1
B.
y
< -3 or 0 <
y
< 1
C.
y
< -3
D.
-3 <
y
< 0 or
y
> 1
Hint
5.
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.
–1.6 mph
B.
8.7 mph
C.
12.7 mph
D.
10.2 mph
Hint