Please help will do anything

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

When only separate discreet points are graphed it is called?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .