The shadow of a 5-foot tall post is 15 feet long. At the same time a tree casts a shadow that is 45 feet long. What is the height of the tree? A.
3 feet
B.
15 feet
C.
There is not enough information to solve the problem.
D.
17 feet

Tom says that he needs 6 rolls to obtain each possible outcome on a 6-sided die. on the fourth roll, he rolls his second "3”. tom says that the die is loaded and that each outcome is not equally likely. is tom correct here? if you think tom is incorrect, how many rolls should tom make until he sees each number occurring about 1/6 of the time?