Answer:
assalam o aalaikum
Step-by-step explanation:
I finished my homework this morning. __________________,
Since supplementary angles are angles that equal to 180, you first need to subtract 40 from 180 to find out what the equation equals. This is the layout of the equation. 140=4x+20. Next you subtract 20 from each side, 120=4x then you divide by 4 four, x=30.
Answer:
Step-by-step explanation:
B and C
Answer:
2x^3+7=56
Step-by-step explanation:
Answer: 8.5%
7/82=0.0853
Multiply by 100 to get percentage
0.0853 x 100 = 8.53