Annette has a credit card that uses the previous balance method. the
opening balance of one of her 30-day billing cycles was $2990, but that was
her balance for only the first 7 days of the billing cycle, because she then paid
off her entire balance and didn't make any new purchases. if her credit card's
apr is 31%, which of these expressions could be used to calculate the
amount annette was charged in interest for the billing cycle?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

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.)