Triangle A ABC is rotated - 120° about point P to create AA'B'C'. 105°
P
B
B'
С
40°
А
What is the measure of ZA'?

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.