Perform the matrix operation.Given A = 
and B = 
, find AB.
A. 
B. 
C. 
D.
Answer: A
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Solve the problem.Evaluate 
at (x, y, z) = (3, 2, 0) for the function u(p, q, r) = epq cos(r); p = 
, 
A. 12
B. 
C. 24
D. 0
Use logarithmic identities to complete the following. Writelog3(9x7) in terms of log3x.
A. 6 + 7log3x B. 2 + 7log3x C. 2x + 7 D. 7 + 2log3x
Use the Binomial Theorem to expand the binomial.(b3 - y4)6
A. b18 - y24 B. b18 - 6b15y4 - 30b12y8 + 120b9y12 + 360b6y16 - 720b3y20 - 720y24 C. b6 - 6b5z + 15b4y2 - 20b3y3 + 15b2y4 -6ay5 + y6 D. b18 - 6b15y4 + 15b12y8 - 20b9y12 + 15b6y16 -6b3y20 + y24
If a tree casts a shadow of 5 ft 8 in. at the same time that a 6-ft 11-in. person casts a shadow of 4 ft 2 in., find the height of the tree (to the nearest inch). ?
A. 8 ft 4 in. B. 11 ft 6 in. C. 9 ft D. 9 ft 5 in. E. 9 ft 4 in.