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If (3m+1)x +n+5=7x +4 has infinite solutions then m=?,n=? How to determine the torque in steering a beach buggy ? and what are the range of torque values approximately? (K-9)x+3y=-(2k+3) Find K so that a line has the slope of m=4K/15? How do the molecules in a solid, liquid and gas compare? How does temperature effect the kinetic energy? What is the relationship between wavelength and energy?