Ava spent 3 hours yesterday practicing the piano. She is going to spend at least 3 hours practicing today. Which number line models the total amount of time Ava will practice piano in all? I WILL MARK BRAINLIEST!!!​

Question and answers are in the attached picture. you so much in advance.

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?