Please give me the correct answer

When creating passwords for secure accounts, which of the following rules should you apply? a. use personal information that is easy to remember. use a variety of letters, numbers and characters. use a sequence or pattern of numbersd. use the same password for all accounts

Tom is going on vacation and wants to leave his friend enough money to feed his pets. tom has d dogs and c cats and spends $2.50 per day to feed each dog and $1.75 per day to feed each cat. how much do it cost to feed his cat in a week

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3,-1), and (-6,5), respectively. which sentence about the points is true?