Ataxi company charges passengers $1.75 for a ride, no matter how long the ride is, and an additional $0.40 for each mile traveled. the rulec = 0.40m + 1.75 describes the relationship between the number of miles m and the total cost of the ride c. a. what is the charge for a 1-mile ride? b. what is the charge for a 2.7-mile ride? a. $2.15; $2.83 b. $0.40; $5.13 c. $1.75; $2.15 d. $0.40; $1.08

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?