En un edificio de cuatro pisos de Independencia hay cuatro hermanas. María vive en el primer piso, Juana vive más bajo que Karina y Vanessa vive en el piso inmediato superior a Juana ¿En qué piso vive Vanessa?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Two numbers have a sum of -19. one number is x. what expression represents the other number?