I don’t think there is anything wrong with the coming there is just a 50% chance that It would land on tails and there’s a 50% chance that it will land on heads ♀️☺️
Answer:


The curve (B) matches the graph of y=x²-4x.

Well to do scientific notation u have to use 10 then an exponent
example:
2.9867 x 10^10= 29,867,000,000
so u need exponents to do scientific notation.
1. In a week there are 7 days. So your andwer would be 21/10. The decimal is 2.1.
<span>The best and most correct answer among the choices provided by the question is the third choice:
table 3:
step 1.x^2+8x+15+1=0+1
step 2.x^2+8x+16=1
<span>step 3.(x+4)^2=1</span>
I hope my answer has come to your help. God bless and have a nice day ahead!</span>