May someone please help me with these equations I am struggling thank you very much

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Which best explains why this triangle is or is not a right triangle?

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?