A gravity wave produced by two orbiting neutrons stars travels at the speed of light, c = 300,000 km/sec. If the period of the orbital motion is 10 seconds, what is the distance between crests of the gravity wave?

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 best reason for jacinta to have a savings account in addition to a checking account

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?