Which would be a correct step in deriving the summation formula for the geometric series 5+15+45+135+405 + ... ?

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Samples of size n = 600 are taken from a telephone survey, and the mean age is taken for each sample. What is the distribution of the sample means? A. skewed to the left B. normal (approximately) C. not enough information provided D.

State the measure of one interior angle of a regular decagon.

If Brian is driving 50 miles per hour. How far did he drive?

Supose an original amount decrease by 75%. By what percent must the new amount increase in order to return to the original amount?

Solve log x = 2. it's making me write more but I don't rlly have anything to say

The double number line shows the price of 1 cupcake. cupcakes 1 price 1.5 Complete the table to show the same information as the double number line. cupcakes price 5 18 18

A local store owner pays her employees time and a half for overtime. That means for every hour an employee works more than 40 hours per week, the store will pay 1.5 times the regular hourly wage of $8.50.

Factor the expression. 5x + 15 The factored expression is

Factor: x2 - 14x = - 48

If c (5,5) and d (7,3), then what is the length of CD? Round to the nearest tenth