A manufacturer determines that the cost of making a computer component is ​$2.131313. Write the repeating decimal cost as a fraction and as a mixed number.

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5