I’m pretty sure it would be 0,5 but if not look up calculator soup and type your question and it should give you a whole list of everything equivalent to it!
Answer:
Number 40 appeared in Pattern B. Also, according to the rule, each pattern will increase.
Step-by-step explanation:
Let's develop each sequence. Remembe that the rule is "add 15", that's what we need to create each sequence starting from the given initial number.
Pattern A.

Pattern B.

Pattern C.

As you can observe, number 40 appeared in Pattern B. Also, according to the rule, each pattern will increase
The probability is 50% for heads, so you should expect 2 heads results
The answer would be y=(x+4)^2-37
