A company places a 7-symbol code on each unit of product. The code consists of 5 digits, the first of which is the number 5, followed by 2 letters, the first of which cannot be a vowel. How many different codes are possible?

i belive those are the ones that are under 90 degreese.

$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

answer: the answer is 110