Answer:
7 minutes
Step-by-step explanation:
1000 stairs in 25 minutes
280 stairs in 280*25 / 1000 = 7 minutes
Hi there!

Use slope formula to solve for the slope of the line:

Plug in points into the equation. We can use the points (0, -10) and (25, -5):

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The answer should be Tangent
Answer:
21
Step-by-step explanation:
3 (7) = 21