A flatbed truck travels 144 miles in 5 hours . A semi-trailer truck travels 327 miles in 4 hours . A tanker truck travels 589 miles in 15 hours . Which truck has the fastest average speed ? plz help !!

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

41/17 as a decimal rounded to the nearest hundredth