Can you help me please.

so the right answer is 18.

Look at the attached picture

Hope it will help you...

Good luck on your assignment

r=18

Step-by-step explanation:

so you multiply both sides by 2

r-16=2

then you add 16 to both sides

r=18

$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