30 points
patrick was dividing 21.87 by 0.001. which statement is true about the quotient? a. it will be less than 22,000. b. it will be less than 2,200. c. it will be less than 220. d. it will be less than 22.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?