What is the mean of? 9,3,1,8,10,8,3

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Of f(x) is byof f(x)=-3|x| x-.f(x)? a )f(x)=3|x| b) f(x)=|x+3| c) f(x)= -3|x| d) f(x)= -|x+3|