What is true about an equation with infinite solutions

1234567891011 match the reasons with the statements in the proof. given: j | | k m 1 = m 3 prove: l | | m 1. j||k, m∠3 = m∠1 if lines are ||, then corresponding angles are =. 2. m∠1 = m∠2 if alternate interior angles are =, then lines are ||. 3. m∠2 = m∠3 substitution 4. l||m given

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

He concluded that a heavier object dropped from the same height as a lighter object will land