Afish tank contains 18 goldfish and 22 guppies . if you randomly select 2 fish what is the probabilty that they are both goldfish

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

What does the relationship between the mean and median reveal about the shape of the data

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu