The atmospheric pressure P in pounds per square inch (psi) is given by the formula below, where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 13.16 psi, what is its altitude?
?
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Please round your answer to the nearest foot.
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__________ ft
Fill in the blank(s) with the appropriate word(s).
2,782
Mathematics
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Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln e
A. e B. 1 C. -1 D. 0
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Divide. Express the quotient in lowest terms.
÷ 2
A. 
B. 6
C. 
D. 
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Find the line of symmetry.f(x) = 3x2 + 18x + 28
A. x = 3 B. x = -3 C. x = -1 D. x = 1
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Model the data using an exponential function 
.
x 1 2 f(x) 13 16.9?
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 
Mathematics