In choosing what music to play at a charity fund raising event, Miriam needs to have an equal number of string quartets from Schubert, Brahms, and Beethoven. If she is setting up a schedule of the 6 string quartets to be played, and she has 15 Schubert, 3 Brahms, and 16 Beethoven string quartets from which to choose, how many different schedules are possible

Answer this question, only if you know the answer. 30 points and brainliest!

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?