Prove or disprove that (1)/(1-cot x) is the same as (sin x)/(sin x - cos x)

Use the discriminant to describe the roots of each equation. then select the best description. 2m2 + 3 = m double root real and rational roots real and irrational roots non-real roots

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school