Answer:
well that depends on how many pieces of gum are in one pack, once you have that info multiply it by 4.
Step-by-step explanation:
This is ed right? If so the answer would be c
Swapping rows alters the sign of the determinant:

Multiplying a single row by a scalar scales the determinant by the same amount:

Then

Answer:
5/10=u/9
explain answer: so to get this answer 5x8=40 so like the closes number to eight will be 9 and 10 but they said closes 10 so it will be 5/10 and =u/9 so answer= 5/10=u/9