Aman is planning for college and takes a standardized test. while registering for the test, he is allowed to select four schools to which his scores will be sent at no cost. if there are 10 colleges he is considering, how many different ways could he fill out the score report form?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.