When Arjun makes hot cocoa, he adds 20
mL
20 mL20, start text, space, m, L, end text of chocolate syrup for every
90

mL
90mL90, start text, m, L, end text of hot water. Arjun's brother, Eli, adds
45
mL
45 mL45, start text, space, m, L, end text of chocolate syrup for every
180

mL
180mL180, start text, m, L, end text of hot water. L

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.

Which representation has a constant of variation of -2.5

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75