Is the squence 10, 30, 50, 70 arithmetic or linear

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Amaple syrup producer records th amount of sap collected from each of his trees. the line plot shows the results for one day. what is the least amount of sap any one tree produced?

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