Sanjay is comparing the cost of cell phone services. The phone he wants costs $50 at Dover Cellular, and the unlimited calling plan through their carrier would cost $3 per day. At Garrison Electronics, Sanjay could purchase the same phone for $60 and also get an unlimited calling plan for $2 per day. After some number of days, the two options would end up having the same total cost. What would the total cost be? SOLVE USING A GRAPHING METHOD

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

Ineed some on this. not sure how to solve.

Which expression is equivalent to (fg)(5)