On sunday 9 friends go to the movies. altogether, they payed $83.25 for admission. they all share the actual cost equally. how much does each person pay?

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

If 20% of a number is 35, what is 50% of that number?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years