Two cards are drawn from a stack containing 4 orange and 1 red. an orange card is drawn first and not replaced. find the probability of choosing a second card that is orange. me

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) .

Afootball is throw by a quarterback to a receiver

Math i have no idea how to do a and b