What is the biggest mistake you have made

mm...

Step-by-step explanation:

through a rock a a popular boys head and now everyone makes fun of me and doesn't want to hang out with me. I did this in 3rd grade and now I am in 7th

what do u need to know

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