Which of the equations below could be the equation of this parabola? a. y=-1/2x2

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate

a best description that resulted a division among labor in the early farming communities in their period was there was a change in their society in terms of having social roles to develop and change that led complications and divisions in the society.