Factor the four-term polynomial by grouping.xy - 9yz + 11x - 99z
A. (y - 11)(x + 9z)
B. (y + 11)(x - 9z)
C. (y - 9)(x + 11z)
D. (y + 9)(x - 11z)
Answer: B
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A. 420.1 yd B. 221.8 yd C. 747.3 yd D. 656.6 yd
By using a graphing utility select the correct graph of the polar equation.
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Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y is inversely proportional to x. When x = 42, then y = 
.
A. k = 6; y = 
B. k = 
; y = 
C. k = 294; y = 294x
D. k = 6; y = 