In order to test for the significance of a regression model involving 14 independent variables and 255 observations, the numerator and denominator degrees of freedom (respectively) for the critical value of F are:. a. 14 and 255.
b. 255 and 14.
c. 13 and 240.
d. 14 and 240.

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

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