Alan can type a research paper in 6 hours. With Steve's help, the paper can be typed in
4 hours. Find how long it takes Steve to type
the paper alone.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test

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?