What's the answer to 27/3 - 40/8?

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

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

What does the sign of the slope tell you about a line?