Answer:
4. 3. 10
5. 1102.31
6. 17.37
Step-by-step explanation:
Answer:
8.1 inches
Step-by-step explanation:
Area of a triangle = ½ × base × height = Area
Rearranged =

Base is the length by the way.

=8.1 inches
Let T = total cost
Let 8c = total amount of children tickets
Let 12a = total amount of adult tickets
T = 8c + 12a