Answer:

Step-by-step explanation:
Use the distance formula!

If we plug in the coordinates:

That's our answer!
Answer:
1: 8
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
cannot be B because the slope is positive, not negative
cannot be D because the y-intercept is 8, not negative 8
Answer:
y = (5/7)x + 3
Step-by-step explanation:
We use the form y = mx + b. Substituting (5/7) for m, 7 for x and 8 for y, we get:
8 = (5/7)(7) + b, or 8 = 5 + b. Thus, b = 3, and the desired equation is
y = (5/7)x + 3