Aradio station your cars djs to play two commercials for every 10 songs they play what is the unit rate of songs to commercial

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?

The table below shows the number of color pages a printer prints out over a period of time. printed pages in color time (min), x 2 6 8 18 number of pages, y 3 9 12 27 what is the constant of variation?