Which expression represents the determinant of A=

det(A) = (2)(9) - (1)(3)
det(A) = (2)(9) + (1)(3)
det(A) = (2)(3) - (1)(9)
det(A) = (2)(3) + (1)(9)

A) det(A)= (2)(9)-(1)(3)

Step-by-step explanation:

-362

step-by-step explanation:

(12)(4)+2(12)-34(12)+2(12)-3

  \/         \/         \/         \/

  48 +   24 -   408 + 24 - 3

      \   /               \   /

          72     -     432 - 3 = -363

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant