Change the given quantity to the indicated unit.192 hr =    day

A. 64 
B. 56
C. 8 
D. 96 


Answer: C

Mathematics

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Graph the equation. Include the coordinates of any local extreme points and inflection points.y = 9x2 + 54x

A. local minimum: (-6,-54)
no inflection points

B. local minimum: (3,-81)
no inflection points

C. local minimum: (-3,-81)
no inflection points

D. local minimum: (6,-54)
no inflection points

Mathematics

Answer the question.If n is an odd number, then which of the following statements is true?

A. The equation xn - 1 = 0 has an odd number of nonreal roots. B. The equation xn - 1 = 0 has n - 1 roots. C. The equation xn - 1 = 0 has exactly one real root. D. The equation xn - 1 = 0 has an even number of real roots.

Mathematics

Find two sets of parametric equations for the given rectangular equation.y = 2x + 2

A. x = t, y = 2t + 2; x = t, y =  + 2
B. x = 2t, y = t + 2; x = , y = t + 2
C. x = t, y = 2t + 2; x = 2t, y = t + 2
D. x = t, y = 2t + 2; x = , y = t + 2

Mathematics

Write the equation for the circle described.Center at , radius 

A. 2 + 2 = 
B. 2 + 2 = 
C. 2 + 2 = 
D. 2 + 2 = 

Mathematics