Asteel pipe is 55cm long and has an inside radius of 8cm and an outside of 10cm. what volume of steel is needed to manufacture this length of pipe?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

According to a study conducted in 2015, 18% of shoppers said that they prefer to buy generic instead of name-brand products. suppose that in a recent sample of 1500 shoppers, 315 stated that they prefer to buy generic instead of name-brand products. at a 5% significance level, can you conclude that the proportion of all shoppers who currently prefer to buy generic instead of name-brand products is higher than .18? use both the p-value and the critical-value approaches.