The upper quartile is, Q1, is 45. The lower quartile, Q2, is 85. The interquartile range is 40. I hope this helps!
Answer:
all work is pictured and shown
Answer:
Yes it does
Sorry I need 20 characters so 2+2=4 there you go
They are up and down and left and right
I think you meant "y = 4 arccot (x)."
This is equivalent to:
y
---- = arccot x
4
and so cot (y/4) = x