Multiply.-8(-9)
A. -64
B. -72
C. 62
D. 72
Answer: D
Mathematics
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Solve the problem.Find the mass of the piece of thin metal in the shape of the surface the tetrahedron with vertices (0, 0, 0), (1, 0, 0), (0, 3, 0) and (0, 0, 2), ?(x, y, z) = 2x + 4z.
A. 12
B. 
C. 26
D. 20
Mathematics
Use identities to simplify the expression.
+ sec w cos w
A. 1 B. csc2 w C. tan2 w D. sec2 w
Mathematics
Solve the problem.The minute hand of a clock is 6 inches long. What distance does its tip move in 27 minutes?
A. 
? in.
B. 
? in.
C. 
? in.
D. 
? in.
Mathematics
Find the area of the parallelogram determined by the given vectors. u - (0,-2,3), v = (5,-5,0)
What will be an ideal response?
Mathematics