The relationship between the base rate a plumber charges and his hourly fee is modeled by the linear function f (x) = 25x + 100, where x is the number of hours he works. What is the total bill if the plumber works for 6 hours?

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