Find ? if B = 4?.
?
?
Remember: The sum of the three angles in any triangle is always 180°.
?
A. ? = 72°
B. ? = 19°
C. ? = 21°
D. ? = 18°
E. ? = 69°
Answer: D
Mathematics
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y = x2; revolve about the y-axis
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?
B. 
?
C. 
?
D. - 
?
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Simplify the complex rational expression.
A. 
B. 
C. 6s + 7t
D. 7s + 6t
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Solve.Use the formula C = 
(F - 32) to write 212° F as degrees Celsius.
A. 85.8° C B. 100° C C. 135.6° C D. 413.6° C
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Find percent notation for the number in decimal notation.In one city, 0.168 of those polled said they would not vote for the incumbent in the upcoming congressional election.
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Mathematics