How much more in interest would you have to pay on the highest interest rate as opposed to the lowest interest rate?

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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?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Rewrite the polynomial -9x5 + 36x4 + 189x3 in factored form.