How do we solve this?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.