Karen bakes cookies. she has observed that the number of cookies m that turn out well in each batch varies with the size of the batch and is given by the function f(x)= 2x-23 where c is the size of the batch (number of cookies in each batch). she never bakes fewer than 12 cookies in a batch. if the size of 5 batches is {20,25,26,27,34}, how many cookies turn out well in each batch?

Zed is making a centerpiece for his dining room table by putting sand in a cube-shaped vase. the vase is 0.25 meters in length, width, and height. he bought 25 kg of sand. assume the density of dry sand is 1,602 kgm3. what is the volume of the sand that zed purchased? the volume of the sand is approximately m3. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to six decimal places, like so: 42.536475