Answer:
12x⁴ - 15x³ + 18x²
Step-by-step explanation:
1. distribute -3x²
-3x² • 5x = -15x³
-3x² • -4x² = 12x⁴
-3x² • -6 = 18x²
2. combine terms and put in descending order (standard form)
12x⁴ - 15x³ + 18x²
Answer:
The correct answer is A which is

Step-by-step explanation:
The angle of elevation from the submarine to the boat is
.
This is the angle through which an observer from the submarine will raise the head before seeing the boat.
See diagram in the attachment for illustration.
Answer:
3x/4
Step-by-step explanation:
that's what I found. It would be better if u had more details in your question.
Answer
[36198+74105]-11457
110 303 -11 457
=98 846
Step-by-step explanation: