Monica can fill a tub in 15 minutes with the hot water faucet and in 12 minutes with the cold water faucet. The drain can empty the tub in 20 minutes. How long will it take to fill the tub if both faucets and the drain are open?

Which expression converts 45 degree to radians

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.

Which strategy is used by public health to reduce the incidence of food poisoning?