A form of 1920,s entertainment that was rooted in African American culture is what

The correct answer is Jazz music

Explanation: Jazz emerged between 1890 and 1910 in New Orleans. It is relatively difficult to establish a definition for this musical style, but we can say that it is marked by improvisation, swing and non-linear rhythms. Jazz has its roots in black American music just before 1850.

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

answer is a meeting of congress.

explanation:

hope my answer has you!