Answer:
the correct answer is option C
Answer:
(x+11)(x-11) its a difference of squares formula, when you FOIL it out the positive 11x and negative 11x will cancel out
Step-by-step explanation:
I believe this means y=13
Answer:
10
Step-by-step explanation:
The current probability of picking a red ball is
. When 5 more balls are added, the probability is 3/4. We can write a ratio for this problem:

When using cross multiplication to solve this, you get 3 * 20 = 4(x+5).
60 = 4x + 20
40 = 4x
x = 10 red balls