I NEED HELP ASAP Part A: The Grand Prismatic Spring in Yellowstone discharges 8,400 gallons of water at a rate of 560 gallons a minute. Using m for minutes, write an equation that represents this situation.

Part B: video (0:28-0:43) Using the equation you wrote in Part A, how many minutes does it take for 8,400 gallons of water to discharge? Use 1-2 sentences to explain your answer.

Part C: video (0:28-0:43) How many gallons of water are left in the Spring after 7 minutes? Use 1-2 sentences to explain how you determined this amount.

Part D: video (0:44-1:17) Using the Mohs scale of hardness as outlined in the video, if Feldspar is three times as hard as cardboard, c, write an equation and solve to find the hardness scale of cardboard. Use 1-2 sentences to explain the hardness scale of cardboard and how it relates to Feldspar.