Match each activity with the type of action used to carry it out?

Reflexive action controlled by the brain Blinking your eyes.

This is a reflex, yes, but with a little bit of concentration, you can control it.

Involuntary but non-reflexive beating of the heart.

Well, you really can't do anything to control it. It i involuntary yes, but is not reflex provocated

Reflexive action Jumping when startled by a loud horn.

The loud horn scares you, then your reflexes made you jump. (if you know there will be a loud sound, you could control the reflexes, but let's suppose you don't know it)

Voluntary action Bicycling on the road.

You need to actually think every movement you do here, you maybe can use some muscle memory, but not reflexes in principle.

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)