What is the lowest common multiple of 42 and 63?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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?

Find the missing factor. write your answer inexponential form.9^2=9^4×