What is 846.28 rounded to the nearest tenth?

Pls , the question is in the picture!

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.

When is g(x) = 0 for the function g(x) = 5.23x + 4?