DJ Bronson is making a playlist for a demo CD; he is trying to decide what 10 songs to play and in what order they should be played. Step 2 of 2 : If he has his choices narrowed down to 7 blues, 6 rock, 4 country, and 6 jazz songs, and he wants to play all 7 blues songs, how many different playlists are possible? Express your answer in scientific notation rounding to the hundredths place.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Select the correct answer. given: ∆abc with prove: statement reason 1. given 2. ∠cab ≅ ∠edb ∠acb ≅ ∠deb if two parallel lines are cut by a transversal, the corresponding angles are congruent. 3. ∆abc ~ ∆dbe aa criterion for similarity 4. corresponding sides of similar triangles are proportional. 5. ab = ad + db cb = ce + eb segment addition 6. substitution property of equality 7. division 8. subtraction property of equality what is the missing statement in the proof? scroll down to see the entire proof.

At a certain temperature the speed of sound in the air is 330 meters per second. which of the following expressions would convert this speed into kilometers per second