Answer:
The first one
Step-by-step explanation:
It passes through the center of the points. (2)
When doing a line of best fit, you want the line to have equal number of points on either side of the line.
Answer:
11
Step-by-step explanation:
Two negatives cancel each other out and makes the equation 9+2. 9+2 equals 11.
Answer:
(5r - 20)
Step-by-step explanation:
(3r + 14) + (Ar + B) = (8r - 6)
B = -6 - 14 = -20
A = 8 - 3 = 5