Given the two vectors, describe their resultant algebraically. (Round magnitude to the nearest tenth and direction t the nearest degree): 1) 15 m 45 degrees north of east and 5 m 10 degrees south of east
2) 25 m 35 degrees south of east and 8 m 60 degrees north of east
3) 99 m 30 degrees south of west and 15 m 53 degrees north of west

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).

Find the length of the diagonal of the rectangle. round your answer to the nearest tenth. || | | 8 m | | | | 11 m

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?