Answer:
79
Step-by-step explanation:
angles add up to 360
360-134-58=158
there are two angles so 158 divide by 2 is 79
Answer:
54.25%
Step-by-step explanation:
The percent change is given by:
× 
Plugging all the values,
× 
%
Therefore, the percent change from 94 to 43 is 54.25%
499 - 100%
599 - x
x = 599*100/499 = 120.04
x-100% = 120.04-100 = 20.04
Answer: The price increased by 20%.
In order to find the standard deviation you must find the mean, then subtract the mean to the square, then find the mean of the square, then take the square root of that and you have you're answer.
Hope this helps!
Good luck.