Joan is an electrician. for each job he charges $32 an hour plus a call-out fee of $35. a) joan does a job for mr. lee it takes him 2 and 1/2 hours .how much does he charge mr. lee.

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

A50% increase followed by 33 1/2% decrease

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?