Answer:
<h2>The answer is option A</h2>
Step-by-step explanation:
( 5x⁴ + 3)²
( 5x⁴ + 3)(5x⁴ + 3)
<u>Expand</u><u> </u><u>using</u><u> </u><u>FOIL</u>
That's
(5x⁴)(5x⁴) + 5x⁴(3) + 3(5x⁴) + 3(3)
We have
<h3>

</h3>
<u>Add and simplify like terms</u>
We have the final answer as
<h2>

</h2>
Hope this helps you
Answer: The pack of 20.
Step-by-step explanation:
It is because a pack of 20 sells for 2.50 for each pencil, and the pack of 12 sells for 2.51 per pencil, so that means the pack of 20 is cheaper.