Answer:
You start at -1 because its your y-intercept and from there you go 7 down and 1 to the right
Step-by-step explanation:
Answer:
g
Step-by-step explanation:
Answer:
the answer is A
Step-by-step explanation:
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55mph.
you can solve it using the equation distance=speed x time
your total distance is 714, and you have 2 trains, one traveling some speed, x, and one traveling x+8, both traveling for 7 hours.
your equation would look like this

and you can then solve for x, which would be 47. this is the speed of the slower train, but 47+8=55 with give you the speed of the faster train.
A, C, and D are all correct answers, since you are taking away 4 in each of the answers. Hope this helped!