The probability that the card is a football card is 20 out of 50 or 40%
the probability that the card is a basketball card is 10 out of 50 or 20%
The formula is 2n-5(90). If you have any questions based on finding angles for polygons, feel free to ask it and I'll answer them for you.
1. -96 just simply add those two and it will be -96
2. -50 +27= change the signs- -50- -27= -23 just subtract
Hope this helps!
