What is the difference of 2/3 - 8/9 equals 6/9 - 8/9​

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

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.