Cost = c
names are abbreviated
w = 1/3c
s = 1/3c + 6
from here i cant go further because i don't know what the numbers mean in the 2:5 ratio. but i will continue if u tell me. for example, could it be the paid cost to the total cost ratio?
Answer:
E
Step-by-step explanation:
Perimeter =5s+5s+2s+2s+0.75+0.75
2 off each implies part E
By definitions of the (co)tangent and cosecant function,
Turn everything into fractions with common denominators:
Recall that 
, so we can simplify both sides a bit.
On the left:
On the right:
(as long as 
, which happens in the interval 
when 
or 
)
So we have
Answer:11
Step-by-step explanation:
