Question is in the photo. check all that apply. asap

Step-by-step explanation:

Given:

The equation is;

Now we need to simplify this equation we get;

Step 1: We need to simplify all the terms which are in brackets we get,

Step 2: Now we need to simplify all variable term and non variable term we get:

These two equivalent equations Katrina has used

Step-by-step explanation:

Given :

Applying distributive property that is we get

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

exactly you go it

step-by-step explanation: