Which of the following sets refer to vertical angles from the diagram? Lines and Angles

Question 29 options:

∠AOB and ∠BOC

∠BOF and ∠HOD

∠BOD and ∠HOD

∠COD and ∠HOG

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?