Agas station is 20 kilometers away. how far is the gas station in miles? use the following conversion: 1 mile is 1.6 kilometers.

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

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?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?