Answer:
5 * 3 * 2
Step-by-step explanation:
30
15 * 2
5 * 3 * 2
<span>A peer-viewed article. </span>
D. One reason, The others questions don't add up. Reason being, the perimeter of the garden is 4x+60, all of the other questions don't make up for that answer.
(I also can't read D, so I'm just assuming now.)