49 the list shows the number of songs that five students each downloaded last week.
32, 43, 38, 28, 51
what is the mean absolute deviation of the numbers in the list?
a 34.4
b 6.88
c 38.4
d 7.68

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