What is 1 + 2= ?
How did you solve it?

3

Step-by-step explanation:

3

Step-by-step explanation:

let me give u an example John has 1 apple and grace gives him 2 more. now John has 3 apples to eat

step-by-step explanation:

no solution.

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