Yang is a car salesperson at Honda dealership. He earns monthly salary of $2,400 and an $250 bonus for each vehicle he sells to a customer. Yang is planning a trip to Italy with his family. He needs at least $5,500 for the hotel and flight for the whole family. He plans to save his bonuses from selling cars for the next four months. If he seeks 7 cars in January, 5 cars in February and 3 cars in March, what is the minimum number of cars he must sell in April in order to have enough money for the trip? *only bonuses (not monthly salary)

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Given right triangle abc, what is the value of tan(a)?