Sean x, y enteros positivos tales que x/43−y/47=1/2021 ¿Cuál es el valor mínimo de x+y?

How many lines can be drawn through points j and k? 0 1 2 3

Multiply. write your answer in simplest form. 3/8 x 5/7

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?