How many solutions does this system have? x minus y = negative 4. 3 x + y = 8.
A. one
B. two
C. an infinite number
D. no solution

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Which of the following terms describes all of the non-living components of an ecosystem