; where a = 1, b = -4 and c = -38
Answer:
5 to 9 5:9 5/9
Step-by-step explanation:
9/18 or 50% if you toss the coin because when you toss 1 coin you get a 1/2 chance of getting tails. Do that nine times and you get 9/18
A represents 12!
12! = 12 * 11 * 10 * 9 * ... (down to 1)