What are the coefficient(s) in the expression: 3x+2r-7

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5