Answer:
30 meters per second
Step-by-step explanation:

10.2 is the decimal of it
Answer:
Step-by-step explanation:
Slope of line passing through (2, 7) and (1, -2) = (-2-7)/(1-2) = 9
Answer:
2/3
Step-by-step explanation:
I think you meant y=2/3x+4 because what you wrote is not the right way to right that equation, but anyways the slope of the parallel line is 2/3 because lines that are parallel have the same slope.
I hope this helps!