Maximizing profit: suppose you own a tour bus and you book groups of 20 to 70 people for a day tour. the cost per person is $30 minus $0.25 for every ticket sold. if gas and other misc costs are $200, how many tickects should you sell to maximize your profit? treat the number of tickets as a nonnegative real number.

How to do this , and can some one explain

Afunction, f(x), represents the height of a plant x months after being planted. students measure and record the height on a monthly basis. select the appropriate domain for this situation. a. the set of all positive real numbers b. the set of all integers oc. the set of all positive integers od. the set of all real numbers reset next

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?