Answer:
Area : 45 Perimeter : 2,025
Explanation:
Area: 5 times 9 equals 45. The 5 is the polygon’s base, the 9 is the polygon’s height.
Perimeter: 5 times 5 times 9 times 9 equals 2,025. Perimeter is base times base times height times height.
Glad I could help! :)
Hi,
Here is the equation.

Each person would get 4.28 marbles.
Hope this helps.
r3t40
Answer:
21
Step-by-step explanation:
y = 3x + 9
y = -3x + 12
y=21