I might give brainliest if someone helps down below.

3.46

3+.40+.06

Step-by-step explanation:

and is where the decimal place is then 100 has two zeros so it's over two I'm not sure how to explain

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