supposed point A is located at (1,3) on a coordinate plane. if AB is 10 and the x-coordinate of point B is 9, explain how to use the distance formula to find the y-coordinate of point B.

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.