5. The histogram shows the heights of the 60 athletes in the Indian athletics team. a) Calculate an estimate for the mean height of the 60 athletes. Please answer in a detailed explanation. Note : PLEASE DON'T ANSWER IF YOU DON'T KNOW THE ANSWER + answer in a detailed explanation please :)

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|