Heee m pppllleeeaaass
you sooo much
(1) { x=y-1} pretend thats a big bracket : )
{x+2y=8}
(2) {y=x+2}
{y=2x-5}

angle uzt is congruent to angle tzy. angle vzw is congruent to angle yzx.

(credits to leowren)

step-by-step explanation:

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!