Amoving-van rental company uses the polynomial 123.5 + 0.75(m – 190) to calculate the rental charges if a customer drives a van more than 190 miles in one day. in the polynomial, m is the total number of miles that the customer drove the van during the day. use the distributive property to write an equivalent expression for the total cost of renting the van and driving it more than 190 miles in one day.

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?