Only 4 because the only way he cant get a pair is if he picks up a different colour to the previous sock, so by the fourth he will have picked up at two of at least one colour
Answer:
Step-by-step explanation:
1 is in the hundredths
Answer:
We're looking for a,b such that
\dfrac{9x-20}{(x+6)^2}=\dfrac a{x+6}+\dfrac b{(x+6)^2}
Step-by-step explanation:
3x -4 (5 - x) = 7x -20
3x-20+4x=7x-20
7x-20=7x-20
