Which of the following statements is false? . (1 point). a. every chord is part of a secant.. b. every diameter is part of a secant.. c. every chord is a diameter.. d. every diameter is a chord

Which is the completely factored from of xy^3-x^3y

If m∠abc = 70°, what is m∠abd? justify your reasoning.  using the addition property of equality, 40 + 70 = 110, so m∠abd = 110°.  using the subtraction property of equality, 70 − 30 = 40, so m∠abd = 30°.  using the angle addition postulate, 40 + m∠abd = 70. so, m∠abd = 30° using the subtraction property of equality.  using the angle addition postulate, 40 + 70 = m∠abd. so, m∠abd = 110° using the addition property of equality.

Find cot x if sin x cot x csc x = √2