D. Color
My explanation for this answer is that Color is for atomic mass which in this case mass is not the answer so my answer is D. Color
Hope this Helps you !
1/6^3 is also equivalent to 6^-3. It can be reverted back to 1/216. Answers on ed2020 are A. and D.
I believe the correct answer is 2.
7x-15=-2
Move -15 to the rigjt side,
7x=-2+15
7x=13
Divide both sides by 7,
7x/7=13/7
x=13/7
