my bf coming over after school and i still have no idea what to cook or make for him i can make almost everything but i have no clue what tho can yall help me pl give me ideas on what i should make

When fat comes in contact with sodium hydroxide, it produces soap and glycerin. determine whether this is a physical change or a chemical change. explain your answer

Trumpeter a holds a b-flat note on the trumpet for a long time. person c is running towards the trumpeter at a constant velocity. person b is running away from the trumpeter at the same rate. person d is standing still the whole time. which person hears a frequency that is lower than the b-flat?

What type of light does this light bulb produce most (i. e. at what wavelength does the spectrum have maximum intensity)?