Simplify.

A.
B.
C.
D. None of these


Answer: D

Mathematics

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Solve the problem.Find the moment of inertia about the y-axis of a lamina in the first quadrant bounded by the coordinate axes and the curve  if .

A. Iy ? 
B. Iy ? 
C. Iy ? 
D. Iy ? 

Mathematics

Use scientific notation to solve the problem.A company produced 925,000 small appliances in one year and made a profit of $8,620,000. What was the profit on each appliance?

A. $9.32 x 102 B. $1.07 x 10-1 C. $9.32 D. $1.07

Mathematics

Give the center and radius of the circle. Then sketch its graph.(x - 4)2 + (y - 5)2 = 25

A. center (4, 5), r = 5

B. center (4, - 5), r = 5

C. center (- 4, - 5), r = 5

D. center (- 4, 5), r = 5

Mathematics

Find the graph of the equation. ? ?

A. ?


B. ?


C. ?


D. ?


E. ?


Mathematics