Answer:
Step-by-step explanation:
Since they are supplementary, it means the addition of both angles gives 180 degree.

You would multiply it by 4
4(3x^2 +2 )
12x^2 +8
Answer:19. 17 degrees
20. 49 degrees
Step-by-step explanation:
Because of the postulate 50+?=67
So ?=17
And 20.
94+?=143
So
?=49
(Edit)I though you only meant 19 and 20
21. X=8
22. X=12
23.x=8
24.x=7
Answer:
yes its a correct answer hope it will help u.......
Answer:
1480
Step-by-step explanation:
26 / 7 is 3.7. 2 x 3.7 = 7. 400 x 3.7 = 1480