Please Help me I am struggling a lot and I would be very grateful!!!

2.5 milligrams is equivalent to how many grams

Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !

Plz ( true - false) all triangles have interior angles whose measure sum to 90.