Answer: 1/2
Step-by-step explanation:
2-10/ -13-3
-8/ -16
_____
2
1/2
Let the supplement angle be x.
Supplement angles add up to 180:
x + x - 20 = 180
2x - 20 = 180
2x = 200
x = 100
Angle = 100 - 20 = 80
Answer: The angle is 80°
0.55
Number of favorable outcome/Total number of possible outcome
24/(20+24)
It could include all real numbers, really. If you have +$130 you could use them to pay for something. If you have -$27.5 you need to pay this sum to the bank, since you overused your credit.