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The Plumber’s Fee: A plumber charges a flat fee plus an hourly rate. Time (h) Total Cost ($) 2 120 4 200 7 320 a) Calculate the slope in fraction form (simplified). Hint: Use any two points, and the slope formula! b) What does the slope represent in this context?

y = x3

Cell Phone Plan: A plan has a base cost plus a charge per GB of data. Data (GB) Total Cost ($) 2 40 5 70 10 120 a) Calculate the slope in fraction form (simplified). Hint: Use any two points, and the slope formula! b) What does the slope represent in this context?

From Two Points: What is the slope of the line passing through A(1, 4) and B(5, 12)?

From a Table: x y 0 2 5 17 10 32 Hint: Use any two points, and the slope formula! The slope is:

Consider an isotope of sodium with a mass number of 27. The number of neutrons in this isotope of sodium is ________.

Which of the following is a tumor of glandular epithelial tissue?

Which taxa has been present on earth longest, and which taxa are most recently derived, according to the hypotheses represented by these cladograms?

Anaerobic metabolism produces:

Respiratory compromise results in: