PLEASE HELPPP

Assume that a committee consists of 12 people including the chairperson and that the chairperson must select a committee of 3 people from the other 11 members of the committee. In how many ways can this be done? So....I tried 11*10*9 because im not counti...

When making a budget, a recommended goal is to spend 10% on utilities. In reality, household spending depends on economic levels. Households with incomes from $15,000 to $20,000 spend over 11% on utilities. Households with incomes from $50,000 to $70,000...

i figured it out :). thanks!

A standing wave fixed at one end in 4th overtone has length 20m. If the temperature is 25 degrees celsius. What is the frequency?

A standing wave fixed at one end in 4th overtone has length 20m. If the temperature is 25 degrees celsius. What is the frequency?