Answer:
Step-by-step explanation:
Hello,
Question 15
We can search x such that:
There is 1 solution.
Question 16
Again, we search x such that:
There are two solutions.
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
Answer: 9 tickets
2(5000000x1256y+400−a)
72
you just multiply
optiiiiiiomnnnmmmnnn c!