Answer:
I believe the answer is as follows:
Step-by-step explanation:
Interior angles: p, q, r
Exterior angles: t, s, v, u
It’s 152y+125, basically by simplifying
Answer:
3: 
4: 
Step-by-step explanation:
Question 3 can be re-written as:

which equals:

Question 4 can be re-written as:

Doing the first 2 brackets gives us:

Expanding these two:

Simplifying it:

The answer is D because you just multiply the percent times 40 to get 12.