Which is a pair of independent events ?
- choosing one calendar date for sports practice and then choosing a backup date.
- choosing one card from a deck and then choosing one card from another deck.
- choosing a pen to write with in class and then choosing another to let a friend use.
- choosing a first place and then a second place work of art.

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) .

What is the ratio of the length of an object in yards to the length of the same object in miles?

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?