Out of the top 20 video games sold, how many more music games were there than racer games?

What is the missing constant term in the perfect square that starts with x^2 -20x

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

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.