Askateboarder traveled 3/5 of a mile in 1/20 of an hour. what was the skateboarder's speed in miles per hour

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?

Five infinity stones cost $16.80. what is the price per infinity stone ?

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?