9514 1404 393
Answer:
x = 100
Step-by-step explanation:
The two marked angles are a linear pair, so their sum is 180°.
57° +(x +23)° = 180°
x = 100 . . . . . . . . . . . . . divide by °, subtract 80
I'm not totally sure of your question, but this is what I think what you're saying:
5/6, 10/12. 15/18, 20/24, and 25/30
Answer:
3x²
Step-by-step explanation:
12x⁴-6x³+9x²
3x²(4x²-2x+3)
