Mr. rich is 40 years old when his son is four years old. in how many years will mr. rich be five times as old is his son?

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.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

State if it is acute obtuse or right