Answer:
fyi b's answer has imaginary numbers in it...
Imaginary: 1 +
Imaginary: 1 -
Step-by-step explanation:

=
... the negative root will produce imaginary solutions
The slope of y=-2x+5 is -2 the intercept is 5
18m
Step-by-step explanation:
5x3=15 +3 =18
6x+12y-6z+7x7y-28z= 13x+19y-34z
Y 50 I think it is I am not to sure