What is the slope y=5x-3

When y’all answer can y’all explain too !

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.