The geometric sequence an = 125(1/5)n-1 represents the sales of a specific product at a store, where n is the number of years after its release. What is the sum of the first 6 terms?

What term best describes a line ans a point that lie in the same plane

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

If the value of cos330°is√3/2 then find cos 165°.