In the classroom the ratio of students who wear glasses to those who don't where glasses is 3:7. If there are 30 students in the classroom, how many wear glasses?

What is the definition of exponential decay?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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