Answer:
142°
Step-by-step explanation:

Answer:
{0, 1, 2, 3, 4} --> 96 5-digit numbers possible with this set.
Step-by-step explanation:
i dunno, i kinda just searched it up
link: https://gmatclub.com/forum/how-many-five-digit-numbers-can-be-formed-using-digits-91597.html#:~:text=If%200%20is%20included%3A,numbers%20possible%20with%20this%20set.
For this case we must solve the following equation:

To solve we follow the steps below:
We square both sides of the equation squared:

We choose the positive value because we talk about $. 
Answer:
$6
Take the original price and multiply it by the percentage (not in percentage form) and divide it by 100
(7*15)/100=1.05
<u>$1.05 is the discount
</u>
7-1.05=5.95
<u>$5.95 is the ticket cost on a weekday</u>