I am not good at this so ii wont be able to solve it for ya but i can help you.
So to find the line of best fit you have to pick to pick to points on your scatter plot. Then with those two points you add the y points together then add the x points together. Your equation with be what you got in all y over x. That is your slope. I hope this helped you!
A: 112
b: 3 seconds
c: f(3) = 256
d: 7 seconds
Distance is the formula :
D
=
so
= 13
Answer is C)
Answer:5000
Multiply the length value by 1000