Answer:
64
Step-by-step explanation:
15.5 times 5.26 is 81.53 and 80 is closest to that so D
Answer:


Step-by-step explanation:
Given

Required
Model as the area

Expand:

Factorize:


Area is calculated as:

So, by comparison:


<h2>
Explanation:</h2><h2>
</h2>
The zeroes of a function are those values that touches the x-axis. In order to find those values we must set
:

Finally, there are two zeros of the function that are:
