C. use the identity for the difference of two squares, , and the imaginary number i to create an identity for the sum of two squares. show that the identity is true.

Given abc find the values of x and y. in your final answer, include all of your calculations.

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)