Randy has $3.55 worth of dimes and quarters in his pocket. the number of dimes is four more than twice the number of quarters. which system of equations can be used to find how many dimes (d) and quarters (q) randy has in his pocket?

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.