Calculate 
, and 
when defined.
?
?
A. 
, 
B. 
,
C. 
,
D. 
,
E. 
,
Answer: A
Mathematics
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Use ratios or conversion factors to convert the measures of time.Convert 168 hours to days.
A. 56 days B. 84 days C. 7 days D. 49 days
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Form a polynomial whose zeros and degree are given. Use a leading coefficient of 1. Zeros: -5, -2, 2; degree 3
A. f(x) = x3 - 4x - 5x2 + 20 B. f(x) = x3 + 4x - 5x2 - 20 C. f(x) = x3 - 4x + 5x2 - 20 D. f(x) = x3 + 4x + 5x2 + 20
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Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7) B. (x2 + 7)(x - 12) C. x(x + 12)(x - 7) D. (x2 + 12)(x - 7)
Mathematics
Find the term that should be added to the expression to form a perfect square trinomial. Write the resulting perfect square trinomial in factored form.x2 - 
x
A. 
; 
2
B. 0; 
2
C. 
; 
2
D. 
; 
2
Mathematics