Answer:
c = 
Step-by-step explanation:

Answer:
y = -12
Step-by-step explanation:
-7/3y - 2/9 = 1/3
cross multiple for 1/3:
-21/3y - 6/9 = 1
cross multiply for 3y and 9:
-21 - 6 = 3y + 9
3y + 9 = -27
3y = -36
y = -12
Bow hello IQR is 21 + 1 -1 = 21
Im not sure what it means by the entire triangular region so ill tell you that the highlighted right triangle's area is 60, and the area for both triangles is 120. semicircle area is 201.06. total area for entire shape is 321.06.
The easiest way would be to graph both of them on a coordinate plane. You can either use one online or on your own. When you do graph them, it shows the two lines ARE parallel. I hoped i could help you. Plz mark as brainlies im almost at 5 brainliest so plz mark as brainliest. Thank you very much!