Agardener is installing a circular garden. the radius of the circle 28 feet. he needs to know the circumference in order to buy materials for the edging. what is the circumference if he uses = 22/7?

Step-by-step explanation:

we know that

The circumference of a circle is equal to

where

r is the radius of the circle

In this problem we have

substitutes

3

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