I believe it would be D. If d=7 then the equation would be 2x7 which would equal 14
GCF= 1
FACTORED VERSION = (X-1) (2X+3)(X+2)
None of those answers work. The correct answer should be (9/22).
A)

= 10 * 10 * 10 = 1,000
It is not A
B)

= 10 * 10 * 10 * 10 = 10,000
It is not B
C)

= 10 * 10 * 10 * 10 * 10 = 100,000
It could be C
D)

= 10 * 10 * 10 * 10 * 10 * 10 = 1,000,000
It is not D
Your answer is C)
Hope I helped!
To find 2 possible sets of dimensions you will use the formula for finding the volume of a prism.
V = 1/3Bh, where B is the area of the base.
210 = 1/3Bh
630 = Bh; this means the area of the B time the height must equal 630
Find 3 factors that will give you 630.
Ex #1: 10 cm (length) x 6 cm (width) x 9 cm (height)
Ex #2: 5 cm (length) x 9 cm(width) x 14 cm(height)