6. The school orchestra has 25 woodwind instruments, 15 percussion instruments, 30 string instruments, and 30 brass instruments. Select the
portion of the instruments that are percussion. Mark all that apply.
O 15%
1.5
3
20
0 0.15

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.

$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