Question

paint application
digitizing application
drawing application
, the sentences.
a is used to edit raster images.
a is used to edit vector images.
a is used to control a scanner or digital camera.

Explanation:

Paint applications are typically used for editing raster images. Digitizing applications are for converting physical data to digital, often related to vector - like data in some cases but not mainly for raster editing. Drawing applications can be for both raster and vector but are more associated with creating new art rather than just raster - image editing.

Answer:

A. paint application is used to edit raster images.
A. drawing application is used to edit vector images (though some can handle both, drawing apps are more associated with vector creation/editing).
A. digitizing application is used to control a scanner or digital camera (digitizing often involves input from such devices).