In introduction , you look for a pattern and then form and educated guess or about it a; conjecture b; conjunction c; congruence d; conjugation

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

An octagonal prism has jow many lateral faces?

Which one is the correct answer, and why?