What is the meaning of give one's right arm

How is a suspension construction made? where is it most commonly used?

:) this measure should equal four beats. which note needs a dot added to make the measure correct? assume that a quarter note equals 1 beat.

Match each of these art forms with the region of americas where they were commonly produced. elaborate headdresses nazca lines carved hieroglyphs wooden ceremonial masks the pacific north west mesoamerica the great plains the andes