A bacteria culture starts with 800 bacteria and doubles in size every half hour. How many bacteria are there after 5 hours?

How many bacteria are there after t hours?

How many bacteria are there after 40 minutes?

Graph the population function and estimate the time for the population to reach 10,000.

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Write a function rule for  “the output is  5 less than the input.” let  xx  be the input and let  yy  be the output.