Mr. Robin assigns 3/4 hour of homework each day to his students for 4 days in a row. How many total hours of homework does Mr. Robin assign to his students?

Describe all the numbers that when rounded to the nearest thousand are 645,000

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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.