The population of a town is 20,00. It decreases at a rate of 9% per year. In about how many years will the population be fewer than 13,000?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

What is the ratio of the length of an object in yards to the length of the same object in miles?