Acell phone company has a basic monthly plan of $40plus $0.45 for many minutes ised over 700. john was charged a total of $48.10. write an equation to determine how many minutes he must have used during the month.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.