4/5 of 1/3 of a number is 12. What is the number?

A bus coach and train all leave the station at 8am. A coach leaves the station every 9 mins a bus leaves the station every 15mins and a train leaves the station every 24 mins. At what time will they all leave the station?

Two numbers have the HCF of 12 and the LCM of 180. What are the possible numbers?

10 points each question

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 of the following parabolas opens down?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2