Which inequalities have no solution? check all of the boxes that apply.

Which graph represents the linear function below? y-3=1/2(x+2)

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.