Mary has 2 bags of tiles. The first bag contains 6 pink tiles, 5 blue tiles, and 4 green tiles. The second bag contains 3 pink tiles, 2 blue tiles and 4 green tiles. Mary will
randomly select 1 tile from each bag.
What is the probability that Mary will select a blue tile from each bag?
Explain how you would solve this problem in 5 steps and state your final answer.

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

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.

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?