El dueño de un kiosko compró dieciocho revistas iguales por un total de $1080.¿A cuanto debe vender cada revista para tener una ganancia de $270 en total?

Franco wants to double the volume of the cone. what should he do?

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?