OML HELP ME
19 and 20
Im going to cry :)

Which of the following lines is not parallel to the graph of y = 4x +7?

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

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?