Both Alex and Chris left their homes at 7:00 am and walked to school. The graph shows the distance that each boy was from school as they walked

Find the x-intercept and y-intercept of the line. 3x + 5y = −15

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.)

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?