Apopulation of bacterica is growing exponentially. it takes the population 15 minutes to double. how long will it take for the population to triple?

How do i do this activity, is appreciated

Aline that intersects one of two parallel lines intersects the other also always sometimes never

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f