5) A retailer bought a bag for $80 and sold it for $120. Calculate the percentage profit. *

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?

Ineed with area of a circle a circular plate has a diameter of 6 inches. what is the exact area of the plate? a.3_ square inches b.6_ square inches c.36_ square inches d.9_ square inches

Complete the statements about the two cones. the volumes of the cones are equal when . if a > b, then the cross-sectional area of cone a is the cross-sectional area of cone b at every level parallel to their respective bases.