Match the reasons with the statements in the proof. Ghen: m_1= m 3 m_2=m_3 1 2 m 3 Prove: ilm Substitution 1. mZ1=mZ3 and m2 =m23 Given 2. mZ1 = m22 If alternate interior angles are 3. Z1 and 22 are alternate interior angles equal, then the lines are parallel. Definition of alternate interior 4. Im angles

The triangles are similar. what is the value of x? x=

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?