What is the y-intercept of the line perpendicular to the line y = 4/3 x + 1 that includes the point (4, 1)?
a) 2
b) -13/3
c) 4
d) -19/3

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.