Zvaries directly with x^2 and inversely with y. when x = 2 and y = 4, z = 3. what is the value of z when x = 4 and y = 9?

Which expressions are equivalent to -6 + 3m

Fabian harvests 10 pounds of tomatoes from his garden. he needs 225 pounds to make a batch of soup. if he sets aside 2.8 pounds of tomatoes to make spaghetti sauce, how many batches of soup can fabian make?

Standard deviation of 19,29,21,22,23