All of the following ratios are equivalent except . 8 to 12
15/10
2/3
6:9
Please help!

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

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) .

2.5 milligrams is equivalent to how many grams