?List the terms of the expression:
?
?9v2 + 13v + 8
A. ?9v2, 13v
B. ?v2, v
C. ?9, 13, 8
D. ??9v2, 13v, 8
E. ?9v2
Answer: D
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Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 4i + 2j + 8k, v = -i - 2j - 2k
A. 6
; 
i + 
k
B. 6
; 
i - 
k
C. 180; 
i + 
k
D. 180; 
i + 
j + 
k
Provide an appropriate response. Multiply: 9x3(yz2 - z)
A. 9x3yz2 - 9x3 B. 9x3yz2 - 9x3z C. 9x3yz2 + 9x3z D. 9xyz
Solve.A certain aircraft can fly 1330 miles with the wind in 5 hours and travel the same distance against the wind in 7 hours. What is the speed of the wind?
A. 57 mph B. 38 mph C. 76 mph D. 19 mph
Solve the problem.Suppose there are 6 roads connecting town A to town B and 7 roads connecting town B to town C. In how many ways can a person travel from A to C via B?
A. 13 B. 36 C. 49 D. 42