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Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

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?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a