The scale drawing below shows an enlargement by a scale factor of 2. what is the missing side length in the original trapezoid

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.