For every four white balls taken out one black ball is taken out so it would be the 52 white ball
First multiply everything inside the brackets by seven
7x^4-42+3
Then solve what you can
7x^4-39
You an't solve it further. Is this what you mean? X to the fourth power?
Answer:
it would be C do to the fact that 0.5 x 8=4
A + ar = b + r
a(1 + r) = b + r
a = (b + r) / (1 + r)
Its c
