Refer to the following information for the next two questions.

Two vectors are added together: (10,0º) and (4, 180º).

Refer to the following information for the next three questions.

Two vectors are added together: (8, 0º) and (15, 90º).

Refer to the following information for the next three questions.

Two vectors are added together: (8, 0º) and (6, 270º).

Refer to the following information for the next three questions.

Two vectors are added together: (5, 180º) and (12, 270º).