The basic concepts of "line" and "point" can be used to define a ray. A ray is a portion of a line that starts at a point and extends in a particular direction.

How can this definition of a ray be used to formulate a definition of an angle

A
An angle is the intersection of two rays at a common point.

B
An angle is the figure formed by two rays that lie on the same line.

C
An angle is a special kind of ray that points in two particular directions.

D
An angle is a figure formed by two rays extending from a common point.

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.

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Select the number of ways in which a line and a circle can intersect