3. Based on the histogram below, how are data distributed, and where is the mean located in relation to the median? w
O Negatively skewed, and the mean is to the left of the median.
Positively skewed, and the mean is to the left of the median.
O Positively skewed, and the mean is to the right of the median.
O Negatively skewed, and the mean is to the right of the median

the answer to this question is yes

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

b.   e = 7.5h

hope this , lovely!