please help me find the mean and median data set ! (will mark brainliest) and spammers will be reported.

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Two consecutive negative integers have a product of 30. what are the integers?