Question 1: What is the pro and con of Indian Fraction system? Question 2: What are the Similarities or Differences of Indian fraction system to our current Fraction Systems?
Question 3: What is the pro and con of Arab Fraction system?
Question 4: What are the Similarities or Differences of Arab fraction system to our current Fraction Systems?
Question 5: Write a description of the Arab Fraction System

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out