Name the property illustrated by the statement.(3 ? 3) ? 7 = 3 ? (3 ? 7)
A. distributive property
B. commutative property of multiplication
C. identity property of multiplication
D. associative property of multiplication
Answer: D
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Find T, N, and B for the given space curve.r(t) = 
i + 
j + 3tk
A. T = 
(cos 0.571t)i - 
(sin 0.571t)j ; N = (-sin 0.571t)i - (cos 0.571t)j ; B = 
(cos 0.571t)i - 
(sin 0.571t)j - 
k
B. T = 
(sin 0.571t)i - 
(cos 0.571t)j ; N = (-sin 0.571t)i - (cos 0.571t)j ; B = 
(cos 0.571t)i - 
(sin 0.571t)j - 
k
C. T = 
(cos 0.571t)i - 
(sin 0.571t)j + 
k ; N = (-sin 0.571t)i - (cos 0.571t)j ; B = - 
k
D. T = 
(cos 0.571t)i - 
(sin 0.571t)j + 
k ; N = (-sin 0.571t)i - (cos 0.571t)j ; B = 
(cos 0.571t)i - 
(sin 0.571t)j - 
k
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.
Find the product, AB, if possible.A = 
, B = 
A. 
B. AB is not defined.
C. 
D. 
Use the Urban Prices Index Table to answer the question. The table shows what $100 worth of an item costs today. 
*All figures are expressed as a percent of the base of 100 from two decades ago.Urban area: ChicagoWhat does $100 of Transportation cost today?
A. $219.20 B. $186.30 C. $213.40 D. $112.40