Derrick needs to figure out how he’s doing on his test scores so far this year. you can by calculating the mean and the median to get an overall picture of his scores. below are all of his scores: 25, 40, 68, 85, 95, 98, 70, 78, 85, 100 what is derrick’s mean test score so far? what is derrick’s median test score so far? which gives a better picture of his scores?

Acylinder has volume 45π and radius 3. what is it’s height?

What is the solution of log2  (3x  -  7)  =  3? 4 5

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?