I need the answer to number #23 please will give BRAINLIEST

Which expression allows you to determine the mechanical advantage of an inclined plane? a. height of plane / input force b. length of plane / input force c. length of plane / height of plane d. height of plane / length of plane

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics