Answer:
21a-8
Step-by-step explanation:
Answer: 0x³ - 3x² + 7x - 4
+
-x³ + 0x² + 5x - 2
Step-by-step explanation:
Answer:
-20x+10x+1
Step-by-step explanation:
The answer is <span>20.3896551724</span>
Answer is A because x+x+70=180 subtract 70 in 180 so 2x=110 110 divided by 2 is 55 so x=55