If something is perpendicular, (in a line) then it creates 4 90 degree angles.
Two on the top, and two on the bottom.
I hope this helps!
~kaikers
Adding another card with value $25 would decrease the standard deviation
because it is closer to the mean the the current standard deviation.
25 is the answer
hope it helps
Answer:
-90
Step-by-step explanation:
Answer:
It is not a function because the output of 9 repeats.
(1,9) (4,9)
:D
