Answer:
<h2>C. 9x³ − 11x² − 7x </h2>
Step-by-step explanation:

In order they are
1.1 * 10^12, 9.5 * 10^11 and 5*10^8
What do you need specifically just that one question
First you need to give both fractions a common denominator lets say 40. So N would be 8/40 and Z would be 35/40, so Z collected more than N. All together they collected 43/40 which simplifies to be 1 and 2/40 which would again simplify to 1 and 1/20.
D.) It is not correct because the second number tells you how far to go up or down, not across.
Second number represents y-coordinates, so they are the points in vertical direction, in that case you can't move in x-axis which is horizontal.
Hope this helps!