A prairie dog left its burrow 5 feet underground and started digging deeper into the ground. It digs straight down at a constant rate of 2 feet per minute.
How long does it take the prairie dog to reach 13 feet underground?
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min

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The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2