Is this correct? if not, which one is it? in advance!

The los angels ram scored 26, 30, 48, and 31 pts in their last four games. how many pts do they need to score in super bowl liii in order to have an exact mean average of 35 pts over five games. write and solve and equation. use x to represent the 5th game.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry