Perform the following operations and prove closure. show your work.
(x/x+3) + (x+2/x+5)

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x