The probability of obtaining a royal card (King, Queen, or Jack) from a standard deck of cards is !"

!". If someone were to choose a card and
replace it 416 times, how many times would you expect them to use a
royal card?
a. 20 times
b. 52 times
c. 96 times
d. 104 times

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15