esteban wants marble bookends cut at a 60 angle, as shown. if esteban wants his bookends to be between 7.5 and 8 in. tall, what length d should the marble cutter make the base of the bookends? explain

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie