If you calculated it you would get 20.25 so it is irrational
nshs = sshs+5
wshs = nshh + 6 = sshs + 11
So nshs + wshs + sshs = 3*sshs + 16
So sshs = 10, nshs = 15 and wshs = 21
Answer 15.
Answer: 44
EC is basically EF times 2
EXPLANATION: (2x6)-10)+2(4x13+(12-20)
ANSWER: (20x14)=280 thats what i got lmk if its incorrect