Answer: 289/900
Explanation: I did this before
Answer:
2
Step-by-step explanation:

First, simplify the top and bottom separately:

Then, just divide:

Answer:
Step-by-step explanation:
3: Possible outcomes for a coin flip; heads tails
Total possible outcomes for two coin flips 2*2=4
Out the 4 possible outcomes only 1 of them both times it land on heads
1/4
4: and 5 i dont know