Answer:
3 acute angles with different measures and 1 right angle and 2 acute angles with same measures
Answer:
The standard deviation of the sample mean is
Step-by-step explanation:
From the question we are told that
The mean is 
The standard deviation is 
The sample size is 
Generally the standard deviation of the sample mean is mathematically represented as

substituting values


Answer:
m= 6/-5
Step-by-step explanation:
m= y2-y1/x2-x1
m= 6-(-6)/-18-(-8)
m= 12/-10
m= 6/-5
Answer:
a.
Step-by-step explanation:
Answer:
16.3
Step-by-step explanation:
You can use pynthagoras theorem.
And round it to nearest tenth...
hope i helped