Regression model disturbances (forecast errors):
are assumed to be independent over time.
are assumed to average to zero.
can be estimated by ols residuals.
are assumed to follow a normal probability distribution.
all of the options are correct.

x=6 and x=3

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answer: the answer is simply nothing.

step-by-step explanation: because there is no ending to this question

gimme brainliest > : 3

the formula for the equation of a circle is (x – h)2+ (y – k)2 = r2, where (h, k) represents the coordinates of the center of the circle, and r represents the radius of the circle. if a circle is tangent to the x-axis at (3,0), this means it touches the x-axis at that point.