I drive down the highway. At 6PM im going 60km/h. At 8pm the dashboard says im going at 100km/h. What is my average acceleration from 6-8pm. (in km/h^2) Physics

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

Which one ? is the answer and how to find this answer

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?