this is false
(6+8)^2= 196
6^2+8^2=100
They are not equal so this is a false statement
The regression line equation is

, the value of the slope is shown as constant 16 and it's a positive constant, hence the correlation between the amount of gas used and degree of the days is a POSITIVE correlation.
Answer:
it would be 324 divided by 18. since 18 to the 2nd power is 324.
The degree 4 term is 5x^4. The coefficient of the term is
5