excuse meh but how do i find the value of x 4x-56 x=(not a real question dont answer if u dont wanna be spammed in notifis)

A. what should the time signature be for the b. every note in this example is (write the letter name.) c. circle all eighth notes. d. how many beats does the rest in the first measure get? e. give the example a final barline. bonus: include a dynamic marking of your choice.