Find an equation of variation in which the following are true.y varies jointly as x and z and inversely as the product of w and p, and 
when x = 4, z = 10, 
and 
A. y = 
B. y = 
C. y = 
D. y = 
Answer: C
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Find IT in both rectangular and polar forms when IR = 26 mA and IT = 31 mA.
Solve the problem.A reservation clerk worked 15.3 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 13.6 hours B. 3.4 hours C. 5.1 hours D. 6.8 hours
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 4; zeros: -1, 2, and 1 - 2i.
A. f(x) = x4 - x3 + 3x2 - 5x - 10 B. f(x) = x4 - x3 + x2 + 9x - 10 C. f(x) = x4 - 3x3 - 3x2 + 7x + 6 D. f(x) = x4 - 3x3 + 5x2 - x - 10
Simplify the expression.
- 
A. - 
B. 
C. - 
D. 