Find an equation of the set of all points equidistant from the points A(−2, 6, 3) and B(5, 3, −3).

Ihave trouble finding the nth term of a linear sequence

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?