Answer:
1) x+6 2)y-4 3)36
Step-by-step explanation:
(x+6)² + (y-4)² = 36
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.
Line because a line is not 3-D
Answer:
x = 6
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
solution,
2a-4b
2*2-4*-3
4-(-12)
4+12
16