Longest (L) Write the function longest that, given a nonempty list of strings, finds the longest even-lengthstring that ends with ing. It takes a list of strings L as input and returns a string. If there are many longest strings, return the first. If there are no such strings, return the empty string (which clearly indicates that no string was found, since a valid string would need to beat least length 3).

How can a broadcast station be received through cable and satellite systems?

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)

Jackson is teaching the decimal number system. he wants his students to know how to expand numbers by powers of 10. which is the correct order in which digits are assigned values in the decimal number system?