The answer is y equals 10
He is not making a valid inference because he is assuming the student populations interest based on a small part/ group of the student population, his class.
Answer:
11 percent
Step-by-step explanation:
if you subtract 50 - 39 = 11
so 11 percent is the change from the first value to the second value.
Hope this helps :)
The triangles are congruent due to SAS
