Select ALL equations that have only one solution.
ASAP

Emily and her feiends qent to the park. they saw 15 robins and 9 blue jays. how many birds did they see? explain how you decided what number sentence to write.

Is every rectangle is a parallelogram? true false

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?