Part a: solve the following system of authentically showing your work: 3x + 2y = 4 4x + 3y = 7.
part b: describe which method you used to solve the system. explain why that method was better than the other methods

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.