can I please get some help solving these.thank you in advance
1) A sphere of radius 1 foot is filled with 250 pounds of liquid. How much work is done pumpin...

Two forces with magnitudes of 90 and 50 pounds act on an object at angles of 30° and 160°, respectively. Find the direction and magnitude of the resultant force...

Finding Parallel and Perpendicular Lines , find equations of the lines that pass through the given point and are (a) parallel to and (b) perpendicular to the give...

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