What is the major key represented by this key signature?

In Piano Study in Mixed Accents,the rhythm is organized into __________

a) duple meter b) triple meter c) compound meterwith a hemiola effect d) irregular groupings of anywhere from two to eight notes

The organ is a keyboard instrument whose tones are produced by wind going through sets of pipes of various lengths and materials.

Answer the following statement true (T) or false (F)