Solve.The three angles in a triangle always add up to 180°. If one angle in a triangle is 72° and the second is 5 times the third, what are the three angles?
A. 72°, 89°, 19°
B. 72°, 88°, 20°
C. 72°, 90°, 18°
D. 72°, 91°, 17°
Answer: C
Mathematics
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Use a spherical coordinate integral to find the volume of the given solid.the solid enclosed by the cardioid of revolution 
A. 
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B. 
?
C. 
?
D. 
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Mathematics
Provide an appropriate response.Choose the inequality that corresponds to the graph:
A. y < -
x + 3
B. y >-
x + 3
C. y ? -
x + 3
D. y ? -
x + 3
Mathematics
Find the product.4x5(-5x3 + 3)
A. -20x3 + 12 B. -8x5 C. -20x8 + 3 D. -20x8 + 12x5
Mathematics
Provide an appropriate response.Explain in your own words how to multiply rational expressions. (How would you explain this to a student in this class who was absent from class?).
What will be an ideal response?
Mathematics