Answer:
C. Incomplete sentences
Step-by-step explanation:
9x + 4= 5x + 20 (alternate interior angles)
9x-5x =20-4
4x = 16
x= 16/4
x= 4
Hello there!
Sense this is a 360 degree angle, it is divide by 2. This would then be considered 180. If you (noticed) on the other side, it shows us that . . .

We then do (180-19)
You should have an angle of elevation of 30 degrees.
40%=0.4
0.4(20)
8(markup)
Shirt price=$20+ $8
New price=$28