From the ten books that you've recently bought but not read, you plan to take four with you on vacation. how many different sets of four books can you take

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

See attachment below and find the equivalent of tan(∠qsr)

Are the corresponding angles congruent? explain why or why not.