Find dy/dt.y = t9(t4 + 2)5
A. 9t8(t4 + 2)4(20t4 + 2)
B. t8(t4 + 2)4(29t4 + 18)
C. t9(t4 + 2)4(29t3 + 18)
D. 180t34(t4 + 2)4
Answer: B
Mathematics
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? 
A. 
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C. 
D. 
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Solve the problem.The following table contains information about moons orbiting a planet named Geo I. Use the table to solve the problem.
What is the average diameter of the moons? Round your answer to the nearest kilometer.
A. 310 km B. 724 km C. 952 km D. 517 km
Mathematics
Find the vertices and foci of the ellipse.
+ 
= 1
A. Vertices: (0, ±5); Foci: (0, ±3) B. Vertices: (±4, 0); Foci: ( ±3, 0) C. Vertices: (0, ±5); Foci: (0, ±4) D. Vertices: (±5, 0); Foci: ( ±4, 0)
Mathematics
Simplify.(7x2 - 8x - 4) + (6x2 - 8x + 7)
A. 13x2 - 8x + 3 B. 42x2 - 8x + 3 C. 13x2 - 16x + 3 D. 13x4 - 16x2 + 3
Mathematics