Which one is it I will give brainliest

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

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?

Find the quotient 9(cos135+isin135)/7(cos10+isin10)