You know that 15% of a number n is 12. how can you use this to find 30% of n? 45% of n? explain. because 30% of n is equal to [ ] times 15% of n and 45% of n is equal to [ ] times 15% of n, you can write 30% of n=[ ] ×12= [ ] and 45% of n= [ ] ×12= [ ] this is very !

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36

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.)