Hii please help me with this question right now

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.

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4