How do you write 519 3/10 in decimal

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup