Two liquids a and b are miscible with each other at room temperature. which separation technique will you apply to separate the mixture of a and b if the difference in their boiling point is 15°c

Which of the following transformations will always produce a congruent figure?

Find the value of x. round the length to the nearest tenth

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?