Please help me with the following question! James did an experiment. He started out with 640 bacteria cells. He found that the growth rate of the bacteria cells was 5.3%. Sketch the graph that represents the situation. Label the y-intercept and the point that represents the projected bacteria population 25 h from the time James started the experiment.

Which expression is equivalent to? assume x > 0 and y > 0.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?