OlliKat OlliKat 06-09-2022 Mathematics Answered "Find the value of y. (21y - 1) (4x + 23) (9x - 38)"(21y - 1) and (4x + 23) are alternate interior angles. (9x - 38) is below (21y - 1), I'm not sure the name for that.PLEASE HELP! I need answers quickly!!