6n+9=−3n−21−6 for n
when you get to the step 6n= -3n is it + or - and is it 21 24 27 30 or 36
I got confused

answer: y = -12x + 108

step-by-step explanation: do (y = m x+b) formula.

ddd

step-by-step explanation:

too hard the other guy did it

step-by-step explanation:

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2