Which of the following ordered pairs is a solution of x + 1/2 y = 1? .6) b.(2,-6) c (-2,-6)

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.