Jacks are is three years more twice the age of his younger brother jimmy if the sum of their age is at most 18 find the greatest age that jimmy could be

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Ineed with this problem 21 show steps

Which expression is the factorization of x^2+10+21