Answer:
it is heptagon and sum of interior angles of heptagon is 900 °
123°+131°+ 125°+124°+x 129°+132° = 900°
764° +x = 900 °
x = 900°-764°
x = 136°
I think the correct answer would be C. hope this helped !
Aleatoric music is music that has melodies that are based on the roll of dice or a random set of numbers.
(c+8)(c-8)
3(2y+5)(2y-5)
There are no like terms so it's still ab^2-b
