Answer:
164 seconds.
Step-by-step explanation:
word form: forty million, twenty-three thousand, thirty-two
expanded factors form: 4 × 10,000,000
+ 0 × 1,000,000
+ 0 × 100,000
+ 2 × 10,000
+ 3 × 1,000
+ 0 × 100
+ 3 × 10
+ 2 × 1
The answer is <span>A –x^2 + 3x + 15
</span>
3x² + 6 – 2x + 5x – 4x²<span> + 9
Rearrange it:
</span>3x² + 6 – 2x + 5x – 4x² + 9
= 3x² - 4x² - 2x + 5x + 6 + 9
= -x² + 3x + 15
