Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.Vertices at (0, 2) and (0, -2); foci at (0, 3) and (0, -3)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: A
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Solve for the specified variable.H = 
(a + 2b); for b
A. b = 
B. b = 
C. b = 
D. b = 3H - 7a - 14
Provide an appropriate response.A manufacturer of widgets has determined that the production function for a weekly production of p thousand gross of widgets is p = 1000 + 20l2k3 - 5l3 - 3k4, where l is the number of labor hours per week in thousands and k is the amount of capital in thousands of dollars per week. Determine both of the marginal productivity functions.
What will be an ideal response?
Without using a calculator, give the exact trigonometric function value with rational denominator.cot 45°
A. 1
B. 
C. 
D. 
Evaluate the expression for the given replacement values.x - (y + z) for x = 23, y = 6, z = 3
A. 32 B. 14 C. 21 D. 20