Alaw firm has eight male and six female lawyers. a committee of five, two male lawyers and three female lawyers, is to be chosen to represent the firm at a conference. how many committees are possible?

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

The product of 3 and a number increased by 8 is 31 written as an equation