Asap plz
describe the pattern in each sequence. then find the next two terms of the sequence.

also, use the recursive formula, and explain pl.

21, 16, 11, 6, 1, -4

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.

The graph of a curve that passes the vertical line test is a: