So whenever a question says "of" multiply. So 2/9x90= 180/9= 20. 1/6x90= 90/6= 15. 90-(20+15)=90-35=55.
55 of the books are romance novels. (or 11/18)
Hope this helps!

<h2>
Explanation:</h2>
The Point-Slope form of the equation of a line is given by:

To find the equation of the line tangent to
, we need to take the derivative:

The slope of the line tangent to
at
can be found evaluationg
in the derivative:

Finding the point:

Finally, our line is:

The representation of this problem is shown below.
<h2>Learn more:</h2>
Derivative of functions: brainly.com/question/2142425
#LearnWithBrainly
No it should be a 50% chance because the first roll is a independent variable, 6/12=1/2
Answer:
Step-by-step explanation:
here is what I got but I hope it helps :)