Find the total area of the region between the curve and the x-axis.y = 
; 1 ? x ? 4
A. 2
B. 
C. 4
D. 
Answer: A
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Find the margin of error for the survey results described. In a poll of 358 adults, 44% said that they favored the proposed environmental laws.Give your answer as a decimal to three decimal places.
A. 0.026 B. 0.106 C. 0.003 D. 0.053
Evaluate the integral by using multiple substitutions.
dr
A. 
sin 
+ C
B. -sin 
+ C
C. 
+ C
D. 
sin 
+ C
Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline on a day when they charge $1.35 per gallon, whereas they sell 3847 gallons on a day that they charge $1.40 per gallon. Find a linear equation that relates gallons sold to price.
A. y = -19,460x + 31,107 B. y = -19,460x + 31,091 C. y = -19,460x + 31,069.2 D. y = -19,460x + 31,074.8
Solve the right triangle. If two sides are given, give angles in degrees and minutes.
A = 25.3°, b = 3.6 mRound side lengths to one decimal place.
A. B = 64.7°; a = 0.6 m; c = 3.9 m B. B = 64.7°; a = 3.9 m; c = 5.3 m C. B = 64.7°; a = 1.7 m; c = 4.0 m D. B = 64.7°; a = 0.6 m; c = 3.6 m