Determine whether the vectors v and w are orthogonal.v = < -2, 6 >, w = < -10, -5 >
A. Orthogonal
B. Not orthogonal
Answer: B
Mathematics
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Solve the problem.A conical tank is resting on its apex. The height of the tank is 
, and the radius of its top is 
. The tank is full of gasoline weighing
How much work will it take to pump the gasoline to the top? Give your answer to the nearest ft ? lb.
A. 18,473 ft ? lb B. 4,033,713 ft ? lb C. 147,781 ft ? lb D. 337,784 ft ? lb
Mathematics
Add in the indicated base.4357 + 417
A. 4067 B. 5367 C. 5667 D. 5067
Mathematics
Give the center and radius of the circle.(x + 4)2 + (y + 8)2 = 16
A. center: (-4, -8); r = 4 B. center: (4, 8); r = 16 C. center: (-4, -8); r = 16 D. center: (4, 8); r = 4
Mathematics
Simplify. Assume that any variables are positive.
A. 
B. 
C. 
D. 
Mathematics