A passenger plane made a trip to Las Vegas and back. On the trip there it flew 309 mph and on the return trip it went 576 mph. How long did the trip there take if the return trip took 6.5 hours?

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).

Write an algebraic expression for the word expression the quotient of c and 8

Answer pls man im trying to get out of summer school