Perform the calculation.279°39' + 139°38'
A. 18°77'
B. 419°77'
C. 419°17'
D. 18°17'
Answer: C
Mathematics
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Find the intersection of the sets.{-4, -2, 1, 6} ? {1, 6, 7}
A. {1, 6, 7} B. {-4, -2, 1, 6} C. {1, 6} D. {-4, -2, 1, 6, 7}
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Solve the problem.The distance in feet it takes a car traveling at x mph to come to a full stop after hitting the brakes is given by 
Find the stopping distance for a speed of 50 mph. Round to the nearest foot.
A. 3 ft B. 3159 ft C. 3114 ft D. 3128 ft
Mathematics
Find the standard form of the equation of the ellipse satisfying the given conditions.Foci: (-3, 0), (3, 0); vertices: (-7, 0), (7, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
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Multiply. Write your answer in lowest terms.1
? 
A. 
B. 
C. 
D. 
Mathematics