A scientist changes the temperature of a liquid by the same amount every hour for 15 hours. In all, the change in temperature is −57∘C. What is the temperature change every hour?

What are the sotions to the quadratic equation 9x^2=4

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a. m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum. how many seats does the larger van have?

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years