Your credit card charges a 1.5% periodic rate using the unpaid balance method. You had a finance charge of $25.30, you made a payment of $614.00, and you made no new purchases. What was your unpaid balance?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.

Which of the following can be used to explain a statement in a geometric proof?