One endpoint of a segment has coordinates
(16, 3). If the coordinates
of the midpoint are (9, 6),
what are the coordinates
of the other endpoint?

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.