Awater sample must be taken from water at least 20 feet deep. find the depth of the water 50 feet from the shore

mxb67

step-by-step explanation:

is this part of a question or something

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

68719476736

step-by-step explanation:

8*8*8*8*8*8*8*8*8*8*8*8=68719476736