I think maybe A Im not 100% sure tho
Y = 2/3x
it's the best answer
Median mean to find the center of the data
Answer: 9+4n-1 = 20
We can solve this by substitution.
Replace n with the value given, 3 (remember 4n means 4 times n):
9 + 4*3 - 1
Then work it out using arithmetic
9+12-1
=20
