You have $15 to spend on school supplies. You need to buy a three-ring binder and some folders. The binder costs $5.99 and each folder costs $1.99. How many folders can you buy?

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)