What is the common ratio of the geometric sequence 4, 16, 64, 256? * please help

Ined this is due tomorrow and i dont know the answer can you find all the exponents

5x−4≥12 or 12x+5≤−4 can you with this problem

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.