The drama club is showing a video of their recent play. the first showing begins at 2: 30 p. m. the second showing is scheduled at 5: 25 p. m. with a 1/2 hour break between the showings. how long is the video in hours and minutes?

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?