3. let represent the event that a randomly selected student is in the marching band. let represent the event that
a randomly selected student is an engineering major.
a. describe the event represented by the complement of
b. describe the event represented by the complement of
c. describe the event and intersect
d. describe the event or union

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Which of these triangle pairs can be mapped to each other using two reflections?

The distributive property allows you to say that 3(x − 1) = 3x −