Six people met at a dinner party, and each person shook hands once with everyone there. which expression represents the total number of handshakes?

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

it would take 5 hours i think idk i'm not that good at math.can you me with my questions i need asap.

i don't see any

step-by-step explanation: