If anybody knows the answer plz tell me​

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

Find two consexutive odd integers such that the sum of their square is 650