Answer:
729
Step-by-step explanation:
Replace x with 9. which is 9*9=81 than which is 9*1=9. Simplify 81*9=729.
Answer: I need the book, E/F
Step-by-step explanation: to write it in fraction form grab E and put if over F
Total number of boys = 200
Number of left handed boys = 50
If a students is known to be a boy, the probability that he is left handed will be equal to = (Number of left handed boys) / (Total Number of boys)
So, If a students is known to be a boy, the probability that he is left handed will be =
Thus, the correct answer is option B