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#1) 1/2r+2(3/4r-1)=1/4r+6
#2) -7(k+9)=9(k-5) -14k
#3) 10p-2(3p-6)=4(3p-6) -8p? Find heat in cal required to increase the temperature of 42 g water from 0∘C to 80 ∘C. The specific heat capacity of water is 1 cal/g⋅∘C.? Find the quadratic function y=f(x) that has the given vertex and whose graph passes through the given point
vertex(2,3),passing through(1,5)? What are the 4 types of organs in the digestive system? 1/f=i/u+1/v, find the value of f?

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