Please help me due tomorrow

What is the equation of the lines that passes though the points (-1,3) and (-2, -3)?

Show ur work or evidence

A. Y=6x-9

B. Y=6x+9

C. Y=-6x-9

D. Y=-6x+9

One integer is 8 times another. if the product is 72, then find the integers

Find the cosine function that is represented in the graph.

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)