Nevermind I did this wrong, forget that I had a answer.
Answer:
7
Step-by-step explanation:
brainliest answer maybe?..
Answer:
0.0625
Step-by-step explanation:
Using the rule of exponents
=
, then

= 
=
( divide 1 by 16 )
= 0.0625
(5x³ + 4x²) - (6x² - 2x - 9)
-1(6x²) -1(-2x) -1(-9) = -6x² + 2x + 9
5x³ + 4x² - 6x² + 2x + 9
5x³ - 2x² + 2x + 9 Choice D.