In a lab experiment, 2400 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 19 hours. How long would it be, to the nearest tenth of an hour, until there are 3300 bacteria present?

What are the soultion(s) to the quadratic equation 40- x^2=0

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?