Answer:
8 m/s^2
Step-by-step explanation:
F = ma
400 = 50a
a = 8
Using the given data you can build the linear regression (described by linear function y=ax+b) by hand or you can use math calculator to do this. In attached diagram you can see that

and

Then the equation of linear function is

Answer: correct choice is D.
Answer:
10
Step-by-step explanation:
Answer
x+3=17
Step-by-step explanation: