Aballoon seller has 4 green balloons, 3 yellow balloons, and 9 silver balloons. roy buys a green balloon. then you buy a balloon at random. what is the probability that you have purchased another green balloon? (type as fraction)

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

38 points and brainliest plz answer question in word document

Gray looks up the definition of point. a point is a location in a region. what is true about the statement describing the word point? 1. the statement uses the terms location and region that are defined based on an understanding of a point. 2.the statement precisely defines the concept of a point. 3. the statement does not include information needed to fully define a point. 4. the statement is an incorrect description of a point because it does not use mathematical words.