The following table lists the revenue in thousands of dollars, of a small bike shop for various years.
(a) Use the REGRESSION feature to fit a linear function to the data.
(b) Use the linear function to predict the revenue of the bike shop in 2007.
(a) R = 2.905x ?5712.983
(b) $117.4 thousand, or $111,500
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Solve the problem.The normal monthly precipitation (in inches) for August is listed for 20 different U.S. cities. Find the mean of the data.
A. 3.09 in. B. 2.80 in. C. 2.94 in. D. 3.27 in.
Find the real solutions, if any, of the equation. Use the quadratic formula.4x2 + 12x + 2 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Write the fraction as a decimal. If necessary, use repeating decimal notation.- 
A. -0.
B. -0.1
C. -0.
D. -0.15
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 + 62x + 63
A. (x + 63)(x + 1) B. (x + 9)(x + 7) C. (x + 63)(x - 1) D. prime