El profe de educación física compró 18 balones de fútbol pago por ellos 2 700 pesos cuanto costó cada balón

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]

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the