Answer:

Step-by-step explanation:
<u>Step 1: Find common bases</u>

→
→ 
Therefore, 
→
→ 
So... 
Since same base now, we can evaluate the exponents by themselves.

Answer: 
There would be 15 adults and 5 children in that group.
15 adults = $75
5 Children= $15
75+15= $90
Answer:
(x,y) = (-36,6)
Step-by-step explanation:
-6y=x
x+y=-30
x=-6y,
so -6y+y=-30
-5y=-30
y=6
x=-36
Hope this helps pls hit the crown :D