Solve 2x +7y = 4 for y

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?

Plz hurry evaluate the expression a+b where a=8 and b=19

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?