The doubling time of a population of fruit flies is 12 hours. By what factor does the population increase in 36 hours? In 1 week?

Can someone pls me i really need like asap

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.