What is the y-intercept of this graph?

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

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.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?