A, B, and D? I chose those 3 because they all feature the expression a. (I literally just signed up, sorry, I'm still kind of new.)
2x + (x+9) = 90
3x + 9= 90
3x= 81
x= 27
Now plug in 27 to (x+9)
27+9= 36
Final Answer = 36
When an <span>inequality is true it is in the region that both are shaded, so the answer would be 1,1 and 2,2</span>
Answer:
Solution given:
<6+24=180[co- interior angle]
<6=180-24=156°
<6=156°