Why variance for independent distribution vs not independent linear combination

What are the options

0=6x+2y+10 is equivalent to the simplified form: y= -3x - 5• parallel lines always have the same slope, different y intercept knowing this, we can say the slope, or m of the line parallel to y= -3x - 5 is -3.m= -3 hope this could !

A= the square root of 3“if letters are anything like people, they’re all equal and deserve to be treated equally.”