Three girls were pushing the same car with the following forces; 250 N [E15°N], 310 N [W25°S], and 208 N [S32°W]. What is the net force on the car?

unlike poles attract

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.

do you have a formula possibly