HELP ASAP PLEASEE:)!

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

Write the fraction or mixed number and the decimal shown by the model

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax