Cho tam giác DEF vuông tại D , có DH là đường cao biết DE=15cm, HE=19.Tính EF ,FH, DH, DF

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

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?

In the diagram, bc¯¯¯¯¯∥de¯¯¯¯¯ . what is ce ? enter your answer in the box.