Henry is saving money for college. he earns $210 each week working part time after school and the weekends. henry currently has $2,240 in savings. his parents put $100 in his savings account each week and he saves one-third of his paycheck each week. which expression represents the situation? (n represents the number of weeks) and explain how you did it (your work) in i dont understand it and i need i will give brainliest if i can figure out how

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.)