2 Arrón had $60 and spent $36 on a new video game. Brynn had $77 and bought a
chemistry set. Afterward, Arron and Brynn had the same amount of money left over.
Which equation can be used to find b, the cost of Brynn's chemistry set?

A: 77 - 60 = 36 - B
B: 77 + 60 = b + 36
C: 60 + 36 = b + 77
D: 60 - 36 = 77 - b

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.)