What is the slope of the graph? (If your answer is not a whole number enter as a fraction rounded to the nearest tenth)

After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %

What is the value of the expression below? (81^2)^1/8

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)