Answer:
third option
Step-by-step explanation:
We just have to calculate 2x² - 4x - (x² + 6x). 2x² - x² = x² and -4x - 6x = -10x so the answer is x² - 10x.
Answer:
3 to 7
Step-by-step explanation:
Answer:
377.9
Step-by-step explanation:
368.8 + 9.1 = 377.9
Answer:
Supplementary Angles.
Two Angles are Supplementary when they add up to 180 degrees. Notice that together they make a straight angle. But the angles don't have to be together.