Supplementary angles add up to 180º
If one is 40º, then the other is (180º-40º) = 140º
None of those choices describes a plane.
choice C is the only example of a plane.
Answer:
80
Step-by-step explanation:
thank you so much for the points, have a great day.
4(xsquared -2) thats the answer
Answer:
-2 -4 -6 -8
Step-by-step explanation:
I got the answer off of khan academy
Answer:
5x3-6x2-4x+7...(a)
Step-by-step explanation:
(5x3-12x+4)+ (6x2-4x+3)
15-12x+4+12-4x+3
5x3-6x2-4x+7