An emty shipping box has a mass of 2.75 kilograms. an electronics store is packing 5 identical laptops in the shipping box. each laptop has a mass of 1.65 kg.

the cost to ship the box was $40.00 for the first 5 kg and $3.15 for each kilogram over 5 kg . what was the cost to ship the packed box?

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

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

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.