With math ! ! annika borrowed a book from the library and forgot to return it on time. the library charges $0.25 per day for the first four days and $0.30 per day for all of the remaining days of annika had to pay the library $4.00. how many days late was her book?

3(10x-y)-5(x-y^2) need this solved asap

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

Which of the following is an equation of a line parallel to the equation y=4x+1?