The cost of a telephone call is $0.75 + $0.25 times the number of minutes. write an algebraic expression that models the cost of a telephone call lasts t minutee

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

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers