Tom read a novel for 1 1/4 hours and comic books for 1 2/5 hours.

how long did tom read?

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?