Find the slope of y= 7/2x - 2

(40 points) i need some . an answer definition is appreciated as well.

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

Three coins are flipped. what is the probability that there will be at least two tails?