Answers edited by 冠廷 李.
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What is the slope of the line that passes through #(1,7), (10,1)#?

Question #0d91d

How do you solve #8<=(3x+17)/2<3# and write the answer in interval notation?

Question #07b93

How do you find the roots, real and imaginary, of #y=x^2  5/2x + 1/2 # using the quadratic formula?

How do you simplify #(x+2) /(4x^2  14x + 6)(x+4)/(x^2 + x 12)#?