In order for students to have a club at school they need a minimum of 24 students. If there are 15 students signed up for the club, how many more students does the club need?

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?