Answer:
R-squared is a statistical measure of how close the data are to the fitted regression line.
Step-by-step explanation:
It is also known as the coefficient of determination, or the coefficient of multiple determination for multiple regression. ... 100% indicates that the model explains all the variability of the response data around its mean.
The 50 is the error because cents are represented with decimals so it has to be .50
D. Distributed Property of Multiplication over Addition. Happy Thanksgiving. Hope this helps.
Technically, none of the equations.
The equation you're looking for would be:
x²+(x+20)²=150²
