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what’s the value of x when 4/x=tan (26). round to nearest tenth

Find two rational expressions that have the difference of 2-n/n-4

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Extra points! find the missing dimension! need asap