How do you round 153.938 to the nearest hundredth?

For which pair of functions is (gof)(a)=|a|-2?

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

How many 3/8s are in 6 plz someone tell me now