I still cant see it sorry cant help without seeing it can you spell the question?
Answer:
Step-by-step explanation:
The rule with like bases is that when you multiply them you add their exponents.

Therefore, our final simplification is

Answer:
7a........they are similar because none of the sides are equal
To find the answer you do 19×19= 361 and do 361×3.14= 1,133.54 The area of the stage is 1,133.54
The degree is 138! Supplementary is 180 total