The intersection of two planes is a line.
Answer:

Step-by-step explanation:
(r⁻⁷)⁶ = r⁽⁻⁷⁾ˣ⁶
= (r)⁻⁴²
With 20 tickets sold the revenue would be 30
With 2 it would be $3
Therefore 1 ticket would have a $1.50 revenue
Add every thing and u. Get 10.10 7x2 then 14. Then add 10 so u basically just in total get 14.10
Answer:
<h3>42.78</h3>
Step-by-step explanation:
7.13
* 6
-------
42.78
(6 times all numbers on top.)