Which operations are the most efficient to use to solve the problem and what is the solution? The Jackson neighborhood has a community garden that has an area of 672 square yards. The width of the garden is 21 yards. The length of the Nguyen neighborhood garden is 15 yards longer than the length of the Jackson garden. What is the length of the Nguyen neighborhood garden? Choose exactly two answers that are correct. A. division and addition B. multiplication and addition C. 330 yd D. 47 yd ....plz hurry