Suppose that the functions g and h are defined for all real numbers x as follows. g(x)=x-4 h(x) = 4x? Write the expressions for (g-n) (x) and (g. n)(x) and evaluate (g+h)(3).

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.