On july 1, 2017, ling co. pays $12,400 to marsh insurance co. for a 2-year insurance contract. both companies have fiscal years ending december 31.

Ling Col journalize entry on July 1 and adjustments on December 31

1/07/2017Debit - Prepaid Insurance  12,400

                       Credit - Cash Account      12,400

31/12/2017Debit - Insurance Expense 3,100

                       Credit - Prepaid Insurance3,100

-

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

i believe the answer is the polygon, heptagon.