Which of the following is the prime factored form of the lowest common denominator of 15/28-5/12?

Which of the following of the following sets of side lengths could not form a triangle?

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

Pls brainliest will be awarded if answer is correct