Answer:
b. cos²3x - sin²3x = cos6x
if its wrong sorry
hope this helps you☺️☺️
Answer:

Explanation:
<u>Given Expression</u>:
Use the Quadratic Formula:

<u>insert coefficients</u>





6+7+8
6+8+7
7+6+8
7+8+6
8+7+6
8+6+7
This question had the following choices:
<span>A) $223,884.91
B) $226,753.98
C) $229,679.66
D) $234,068.73</span>
I used the Online Balloon Payment Loan Calculator and got this amount $226,753.92. This is nearest to Choice B.
For manual computation, use this formula in the 2nd attachment.