Let a be the set of students in art and b be the set of students in band. If two different students are selected at random, what is the probability that both students are in band?.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit