Anna is having a bicycle race around her neighborhood. if one lap of the track is 126 feet long and the race is over after 5 laps, how far does each racer have to go?

Which of the following statement about pascal's triangle are true?

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.