Answer:
the only thing i know that n=-30
Repetition is a guaranteed way to learn something. If it is a formula you need to learn, try doing flashcards and reading it over and over again until you can spell it without the flahcard. If it is something like factoring, just do a bunch of factoring problems until you get the feel of it.
15*2.54 = 38.1
Cause theres 15 of them
Answer: 11, 7
11 + 7 = 18
11 x 7 = 77
