A badminton club has 330 members. 240 are adults and the rest are children. Two thirds of the children are boys and the rest are girls. A) Show that the ratio of adults: boys: girls is 8:2:1 A year ago, the club had 200 adult members but the ratio adults: boys: girls was the same as it is now. B) Work out the number of boys in the club a year ago

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

The accompanying table shows the numbers of male and female students in a particular country who received bachelor's degrees in business in a recent year. complete parts (a) and (b) below. business degrees nonbusiness degrees total male 189131 634650 823781 female 169539 885329 1054868 total 358670 1519979 1878649 (a) find the probability that a randomly selected student is male, given that the student received a business degree. the probability that a randomly selected student is male, given that the student received a business degree, is nothing. (round to three decimal places as needed.) (b) find the probability that a randomly selected student received a business degree, given that the student is female. the probability that a randomly selected student received a business degree, given that the student is female, is nothing. (round to three decimal places as needed.)

X-10/4 when x = –18 a 7 b –2 c –7 d 2