an experiment consists of rolling two fair number cubes. what is the probability that the sum of the two numbers will be 4? express your answer as a fraction in simplest form.(a) 11/18. (b) 1/12. (c) 12/1 (d) 11/12

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Identify the number 127 as a rational or irrational. explain