Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15. Which equation models the cost for having Fernando clean a pool for x hours and how much will a 3-hour cleaning cost?

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.