Please help me, there are 2 pictures because my screen does not fit it all, will award brainliest and extra 100 points if correct.

What is the probability of rolling a single die greater than 4

What is the area of the triangle 10 13 12

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?