Perform the following operations and prove closure.
(x/x+3) + (x+2/x+5)
(x+4/x^2+5x+6) * (x+3/x^2-16)
(2/x^2-9) - (3x/x^2-5x+6)
(x+4/x2−5x+6) / (x2−16/x+3)
Please write your answer in the form of (answer) if x does not equal to

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls

Two consecutive negative integers have a product of 30. what are the integers?

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.