Abag contains 20 checkers-10 red and 10 black then find the indicated probablity selecting 2 black checkers when they are choseen at random with a replacement?

Which rational number could be graphed between -4 and -5

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.

Which of the following is not a subset of {1,2,3}?