Answer:
The train going 30 miles in 1/3 hour is going faster than the other train.
Step-by-step explanation:
Calculate each rate by dividing the distance traveled by the amount of time it takes to cover that distance:
30 / (1/3) = 90 mph
20 / (1/2) = 40 mph
Okay. To find the distance apart from each other, subtract 15.3 and 7.5. When you do that, you should get 7.8. -7.5 and -15.3 are 7.8 units away on a number line.
Answer: a
Step-by-step explanation:
It can show she earn how much each week and how much she earn at the end of the week.
Answer:

Step-by-step explanation:
Parallel lines have the same slope, but different y-intecpets. They are lines that travel in the same directions but never intercept.