Find the triple scalar product (u x v) ? w of the given vectors.u = i + j + j; v = 9i + 4j + 8k; w = 5i + 9j + 6k
A. 27
B. -1
C. 103
D. -123
Answer: B
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The following problem involves adjustable-rate mortgage. You the given table if necessary.
Harry has a 1-year ARM for $75,000 over a 25-year term. The margin is 2%, and the index rate starts out at 2.5% and increases to 3.5% at the first adjustment. The balance of principal at the end of the first year is $73,338.52. Find the amount of monthly payment for the first month of the second year.
A. $365.45 B. $403.42 C. $459.16 D. None of the above is correct.
Subtract.-21 - 57
A. 78 B. -36 C. 36 D. -78
Find the root form of the polynomial function f whose real roots and y-intercept are given on the graph.
A. f(x) = 
(x - 1)(x - 4)(x + 3)
B. f(x) = 
(x + 1)(x + 4)(x - 3)
C. f(x) = 
(x + 1)(x + 4)(x - 3)
D. f(x) = 
(x + 1)(x + 4)(x + 3)
Express the indicated roots of unity in standard form a + bi.Fifth roots of unity
A. 1 + 0i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
0 + i
B. 1 + 0i
cos 
+ i sin 
? 0.81 + 0.59 i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
C. cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
cos 
+ i sin 
? 0.31 + 0.95 i
D. 1 + 0i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i