The longest bridge in the world is located in china. it is164,800 meters long. another bridge in china is 69,732 meters long.
round each length to the nearest ten thousand to find the answer.
what is the approximate difference between the lengths of the two bridges?

Can someone me and do the problem plz so i can understand it more better

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 in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Find the maximum value of p= 4x + 5y subject to the following constraints :