7TH GRADE PLZ HELP! MIDTERM TOMORROW! I WILL MARK BRAINLIEST AND THANK ALL OF YOUR QUESTIONS YOU ASNWERED!

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

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.