Solve the problem.Evaluate 
at t = 
? for the function w(x, y, z) = 
; x = sin t, y = cost, z = t2.
A. - 
B. 
C. - 
D. - 
Answer: A
Mathematics
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Multiply.-15(-18)
A. 288 B. -285 C. 270 D. 285
Mathematics
Find the indicated cross product.v = -5i - 6j, w = 2i + 6kFind v × w.
A. -36i + 30j - 12k B. 12i + 36j - 30k C. -36i + 30j + 12k D. -12j - 30k
Mathematics
Simplify the radical expression. If appropriate, include absolute values.
A. -z + 10 B. ?z - 10? C. ?z? - 10 D. z - 10
Mathematics
Perform the indicated operations and simplify.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics