Three Forces with Magnitudes 80 Pounds,110 Pounds and 25 Pounds

Multiple Choice

Three forces with magnitudes 80 pounds,110 pounds and 25 pounds act on an object at angles 30°,-70°,and 120° respectively,with the positive x-axis.Find the direction and magnitude of the resultant force.(The choices below are given to two decimal places. ) ​

A) 136.12 pounds at angle of - 66.16° with the positive x-axis
B) 103.21 pounds at angle of 23.84° with the positive x-axis
C) 103.21 pounds at angle of - 66.16° with the positive x-axis
D) 136.12 pounds at angle of - 23.84° with the positive x-axis
E) 103.21 pounds at angle of - 23.84° with the positive x-axis