X- y = 2 and x + y = -6 find intersecting point and graph

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?