Write 81 as a power in many ways as you can.

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

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Find dy/dx using implicit differentiation ln(20+e^xy)=y