Answer:
2/3 hours
Step-by-step explanation:
40 minutes = 40/60 = 2/3 hours
Answer:
y= 2-2x
Step-by-step explanation:
Isolate y.

Answer:
A and B
Step-by-step explanation:
Parallel lines are lines which have the same slope. Perpendicular lines have negative reciprocal slopes.
For the options:
A. Both equations have 7/5 as the slope. They are parallel.
B. The slopes are 1 and -1. These are perpendicular.
C. The slopes are 9/2 and are parallel.
D. The slopes are 7/3 and -3/7. They are perpendicular.
The solution is A and B.
Answer:
3.37
Step-by-step explanation:
I am not very sure but this would be the answer.