If n is an integer, n ∙ 180° represents an integer multiple of 180°, and represents an odd integer multiple of 90°. decide whether the expression is equal to 0, 1, -1, or is undefined. tan(n ∙180°)

Which sentence is correctly punctuated? a. i haven’t found a new job, and i don’t plan to look for one until i have to. b. my work is piling up—day to day—and i can’t seem to get caught up. c. i know things could be worse (they have been in the past).