Sendo A = [ − ] e B = [ − −], temos que odet(A + B) – det(A. B) vale:
(A) 0
(B) 10
(C) -10
(D) 20
(E) -20

Find the multiplicative inverse of 8-12i

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.