Four-fifths of the third grade went on a trip to the zoo. If 64 children made the trip, how many children are in the third grade?

answer: 1 2 3 6

step-by-step explanation:

1x6=6 2x3=6

tangent

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