You have a 20% off coupon to use at the store. Your total was $80 before the discount. H ow much do you need to pay?
A) $16.
B) $60.
C) $64.
D) $100

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

We just started the introduction into circles and i have no idea how to do this.

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?