Write 84 and 210 as products of prime numbers. then reduce 84/210

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.