The lupu bridge in china is 12,795 ft long. the hart bridge in the usa is 3,845 ft long. about how much longer is the lupu bridge than the hart bridge? round each length to the nearest thousand to find the answer.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Solve the triangle. a = 21°, c = 105°, c = 5