Sales ($ million) Convertible SUV Sedan Mini Truck Marginal Total Allison 45 28 19 36 128 B & B Motors 65 22 15 9 111 Pluto Cars 18 25 27 10 80 Panther Motors 40 26 34 12 112 Marginal Total 168 101 95 67 431 The table shows the annual sales revenue for different types of vehicles from four automobile manufacturers. The difference of the relative frequency of revenue earned by B & B Motors from sales of convertibles compared with the total revenue of all four companies and the relative frequency of revenue earned by B & B Motors from sales of mini trucks compared with the total revenue of all four companies is . Write your answer rounded to two decimal places.

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

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?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m