Answer:
all real numbers
Step-by-step explanation:
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
Answer:
the answer is D-reflection over line BC
Step-by-step explanation:
Get the mixed number into one fraction
Get a common denominator
Now add
You can get it back to a mixed number
You just subtract 4 from 20
20-4 which is 16
The anwser is 19 remainder 4