A theater is presenting a program on drinking and driving for students and their parents or other responsible adults. The proceeds will be donated to a local alcohol information center. Admission is $10 for adults and $5 for students.​ However, this situation has two​ constraints: The theater can hold no more than 180 people and for every two​ adults, there must be at least one student. How many adults and students should attend to raise the maximum amount of​ money?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

With finding limits of multi variable !

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.