Discover new knowledge and insights with IDNLearn.com's extensive Q&A database. Find the information you need quickly and easily with our reliable and thorough Q&A platform.
Answer:
D. (3x² + 10w + 8) square inches
Step-by-step explanation:
the new width of the rectangle: w + 2
the new length of the rectangle: 3w + 4
the area: (w + 2)(3w + 4) = 3w² + 10w + 8