Answer:
a) r = 5
b) false
Step-by-step explanation:
study about GP
Answer:
A leg.
Step-by-step explanation:
The hypotenuse is always the side that is across from the corner. In this triangle, the hypotenuse is 14.
Answer: 68
Step-by-step explanation:
As per given , we have
Population standard deviation : 
Critical value for 90% confidence interval =
Margin of error : E= 0.8 milligrams
The formula to find the sample size is given by :-

i.e. 

Hence, the limnologist must analyze 68 samples.
I beleive c.....if I am wromng that sucks