In a figure there are two adjacent triangles, KJL and LJM. KJL = (3x + 11) degrees. LJM = (5x + 3) degrees. Angle KJH = 32 degrees. What is the value of X? What is the angle of KJM?

What signals you that factoring by grouping is the best method to use when factoring a problem?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?