A train leaves town A at 22:17 and arrives in town B at 07:45 the next day. How long does the whole journey take?

Question: what is the value of x 4x-2= (-7) +5x. it would be greatly appreciated if someone could actually explain to me step by step

A50% increase followed by 33 1/2% decrease

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?