The are all counting numbers a) integers b)real numbers c) absolute value d) natural numbers

It would be D, natural numbers, because it just happens to be that another name for natural numbers is counting numbers.

Also, natural numbers are from 1 to positive infinity, so that's what you use to count.

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40

i think it might be a but you might want a second opinion