Data were collected on the amount spent by customers for lunch at a major Houston restaurant. These data are contained in the file Houston. Based upon past studies the population standard deviation is known with . Click on the datafile logo to reference the data. Round your answers to two decimal places. Use the critical value with three decimal places. a. At confidence, what is the margin of error

the volume is the product of the area of the base, 3x(3x+4), and the height, 3x-1

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

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step-by-step explanation: