Given:
Original or base : 40
New amount : 72
We need to find the difference of the new amount and the original amount
72 - 40 = 32
We then divide the difference by the original amount
32/40 = 0.80
We multiply the quotient by 100%
0.80 x 100% = 80%
The percentage of change is 80%
Answer: 
Step-by-step explanation:
Given
The point C 
is rotated 
clockwise about the origin
If a point is rotated about the origin, then the sign of the co-ordinates changes without changing the order of coordinates.
So,C becomes C' after the rotation.
If you can send an image of the beginning of the question, I’d be glad to help. You didn’t show enough info for me to get an answer
Answer:
81
Step-by-step explanation:
9^2 = 81 bc 9x9=81
The only shape that has that much is a decagon 10 sides. t<span>he </span>sum<span> of the interior </span>angles of a Regular Decagon is 1440 degrees.
