Please help me I need to pass

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

What is the prime factorization of 23 ?me with this question