Starting with the addition or subtraction of 2 terms, like A + B (where A or B can be complicated expressions including imaginary components), a conjugate is formed by reversing the sign of the second term, A-B. In your case, it means reversing the sign
of...

The sentence before [C] introduces the idea of some doubt, which is consistent with inserting the target sentence, the source of that doubt in [C]. The sentence after [C] would then continue the back and forth dialog by asserting that the problem of sample
size introduced in [C] had been addressed...

Since 2 of 3 dimensions are in inches, there are 2 response choices choice with cubic inches versus 1 with cubic centimeters, 2 of three tray dimensions are in inches, and our gallon conversion factor yields cubic inches, it should be easiest if we start
by converting the only metric dimension,...