Which point would be a solution to the system of linear inequalities shown below? 2 y < zx + 1 y > X – 4 Submit Answer O (-9, -9) O (9,-3) 0 (-12,3) O (-12, - 2)

Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given

What is the radius of the circular path ofa charged particle in a magnetic field?

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?