Como debo simplificar una fraccion que esta dentro del parentesis y despues multiplicarlo.. Quiero ejemplo por favor gracias

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?