Find the sum ? + ? or the difference ? - ? as indicated.Find ? - ?.? = 90°, ? = 43°32'
A. 46°32'
B. 46°28'
C. 47°28'
D. 47°32'
Answer: B
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The magnitude of a star is a measure of its brightness, and it is related to the relative intensity of light reaching Earth from the star. The relationship is
Magnitude 
(Relative intensity).
If relative intensity is multiplied by 123.03. how is magnitude affected? Round your answer to two decimal places if necessary.
?
A. Magnitude is decreased by 2.09. B. Magnitude is increased by 5.23. C. Magnitude is increased by 2.09. D. Magnitude is decreased by 5.23.
Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Make a scatterplot of the data. Then find an exponential, logarithmic, or logistic function f that best models the data. Round function values to the nearest hundredth.
A. Logistic: f(x) = 
+ 4.45
B. Exponential: f(x) = 3.11(1.26)x
C. Exponential: f(x) = 3.33(1.20)x
D. Logistic: f(x) = 
Combine. Simplify the answer.5
+ 7
A. 13
B. 12
C. 13
D. 3