The sum of two numbers is -12. The difference between the same two numbers is 8. What is the product of the two numbers? ( with explanation )

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187