Review the following derivation of the tangent double angle identity the steps are not listed in the correct order what is the correct order of the steps used to derive the identity? a. 4,3,5,1,2
b. 4,5,3,1,2
c. 3,4,5,1,2
d, 3,4,1,5,2

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

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Which of the following statement about pascal's triangle are true?