Three's a Crowd
These charming stick people are a common motif of Hohokam rock art.
Concentric Circles, joined
These abstract designs are thought to possibly be astronomical or possibly a shamanistic "vision" in nature. An enigmatic image, to be sure.
Snake and multi-limbed figure (centipede?)
These look to be done at different times by different artists, based on the line forms. They may have been done hundreds of years apart, in fact.
The large panel of connected box shapes is referred to as a "pipette" by the author of the South Mtn. rock art book. These occur frequently in the South Mountains, which are about 200 miles away.
References and further reading on the Hohokam, rock art, and other indigenous peoples of AZ:
Bostwick, Todd W. Landscape of the Spirits: Hohokam Rock Art at South Mountain Park. University of AZ Press, 2002.
Reid, James Jefferson. The Archaeology of Ancient Arizona. University of AZ Press, 1997