Using diagonals from a common vertex, how many triangles could be formed from the polygon pictured below?

right

step-by-step explanation:

22 dimes and 9 nickels

step-by-step explanation:

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb