I need help on these problems ASAP!!

Which of the following is a justification used while proving the similarity of triangles lom and mon

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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.