Se compro un escritorio por $ 6,000 y se le estimo una
vida util de 4 anos y un valor
de rewperacion de $2,000.
construir una tabia de depresi-
acion Utilizando el metodo lineal
o de la linea recta

Quick! what is the area of this trapezoid?

99 points at a zoo, the leopard pen has a ring-shaped sidewalk around it. the outer edge of the sidewalk is a circle with a radius of 12 m. the inner edge of the sidewalk is a circle with a radius of 8 m. (1 point for showing all of your work) a. write and simplify an expression for the exact area of the sidewalk. (1 point for the answer) b. find the approximate area of the sidewalk. use 3.14 to approximate π. (1 point for the answer)

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?