Is the sequence 5, 9, 15, an arithmetic sequence? explain. type your answer below.

It is not an arithmetic sequence because an arithmetic sequence has to have an addition pattern, this doesn't. 5+4=9 but 9+4 doesnt equal 15. It would equal 13, then the squence would of looked like this 5,9,13. Between every number in the squence, it has to have the same number your adding in between

Answer:

$4034.40

step-by-step explanation:

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