D. 10x is the correct answer a and c are the common factor of 30 and 20 but it’s not the greatestonly b and d are the answers since 30x^3 -20x20x only have one x and 30 have 3 xso it can only be d.10xhope this will !
Answer from: Quest
Google it that might work
Answer from: Quest
square pyramid
step-by-step explanation:
square prism looks like nothing like that
triangular prism has a rectangular base instead of a square base