Carol walked 8 miles in 3 hours .John walked 15 miles in 6 hours. Are these rates in proportion

What could explain what happened when the time was equal to 120 minutes

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.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9