Answer:
65°
Step-by-step explanation:
2x= 130° (vertically opposite angles)
x= 130/2
x= 65°
Answer: Is 6.4
Step-by-step explanation: I hope I helped in some way shape or form.
Answer:
3x³+10x²-8x-2
Step-by-step explanation:
(-3x³+7x²-8x+11)-(-3x²+13)
- remove unnecessary parentheses
-3x³+7x²-8x+11-(-3x²+13)
-3x³+10x²-8x+11-13
-3x³+10x²-8x-2