9x-72=
9÷9= 1
72÷9=8
so... x-8
C. No, this is not a valid inference because she asked only 35 families
To find reference angle you need to subtract all 360⁰ that given angle has.
360*2=720
791-720 = 71⁰
<span> The reference angle for 791⁰ is 71⁰.</span>
Answer:
you will be able to create and representations the vertex - edge graphs.
Hey!
First, let's write the problem.

Multiply

with

.

Subtract

from both sides.


Divide both sides by

.


Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish