In a city with three high schools, all of the ninth graders took a standardized test, with these results glenwood 80 271 central city 91 306 lincoln high 67 186 the city's pr manager, who never took statistics, claimed the mean score of all ninth graders in the city was 79.3. of course, that is incorrect. what is the mean score for all ninth graders in the city?

You are looking at two area rugs for your bedroom. one is a square with side lengths of 6.3 feet. the other is a rectangle that is 4.8 feet by 8.2 feet. which rug will cover the greatest area? how much more area will it cover? with work plzz and u so much

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

How do newtons third law of motion demonstrates on a rollar coster