URGENT HELP PLEASE! :((( There are 6 true false questions about sets, please explain why false or true shortly.

Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12