Answer:
The theoretical probability would be 50% heads and 50% tails or 100 each.
Step-by-step explanation:
Answer: 7-
x²+2x-3=0
(x²+3x)-(x-3)=0
x(x+3)-1(x+3)=0
(x-1)(x+3)=0
x=1 or x=-3
10+37h
10 is the flat fee so only happens once
37 is hourly rate so multiply by h (hours)