Answer: 
Step-by-step explanation:
1. You have the following formula for calculate the area of the original circular chip:

Where D is the diameter of the circle.
2. Then, if the diameter of the original circular chip is doubled (2D) to use in a new board game, the area of the new chip can be calculated with the following formula:

Answer:
B. 12^3 - 12^2 - 11
Step-by-step explanation:
........
Answer:
x=48
Step-by-step explanation:
32+4=36+12+x=48
solve for x
x=48