Answer:
Ok, the solution to the first one. See below.
Step-by-step explanation:

See attachment below.
Best Regards!
Perimeter = 2base + 2base
82 - 2(32) = 18 : 2 = 9
area = 9*32 = 288mm^2
Answer:

Step-by-step explanation:
It starts with a base cost of $5.25 and increases by $2.50 for every ticket sold. Add 2.50(number of tickets) to the admission cost to get the total cost.
Answer:
X=2
Step-by-step explanation:
-2+6x=12-x
add 2 to both sides
6x=14-x
now add 1x to both sides
7x=14
and finally divide both sides by 7 so you x is left alone
<h2>
x=2</h2>