Which of the following sets of possible side lengths does not form a triangle?
a. 5, 6, 10
b. 4, 5, 15
c. 22, 21, 42
d. 3, 4, 5

If you could answer these your a life saver

Plzzz answer both questions and i will give you 100 points

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.