Answer:
Domain: 
Range: 
Step-by-step explanation:
The domain of a function is the set of values that one can input into a function and get a valid result.
The range of a function is the set of valid outputs that one can attain when a value is substituted into a function.
Supplementary is when it is a straight line that is equal to 180 degrees and complementary is a right angle which is 90 degrees
65.52 will be the answer
Work: (10.4 * 12.6) ÷ 2