Equation in point slope form (1,3), (-3,0)

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

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Plzzz answer both questions and i will give you 100 points