Calculate the area of the
semi-circle:
12cm

The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?

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?

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes