Answer:

You don't technically need the ( ) around the 2n, but I included them to avoid confusion.
Answer:
I'm not sure which you mean, so I'll give the answer to both:

To find the residual I would subtract the predicted value from the measured value so for x-value 1 the residual would be 2-2.6 = -0.6
526.32
I would recommend using an inequality. 100/x=19/100 and solve from there.
Answer: rewrite your equetion plz i cant understand it then i woill help u
Step-by-step explanation: