Can somebody please help

The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.