Multiply.5x9(12x5 + 5x4 + 10)
A. 60x14 + 25x13 + 10
B. 60x14 + 25x13 + 50x9
C. 60x5 + 25x4 + 50
D. 60x14 + 5x4 + 10
Answer: B
Mathematics
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Graph the polar equation.r = 6 - 7 cos ?
A. 
B. 
C. 
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Tell which brand or which size is the better buy.Brand A: 16 oz for $9.12Brand B: 12 oz for $6.48
A. Brand B B. Not enough information C. Brand A D. Equal value
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Solve the equation.3(3x - 6 ) = 27
A. {9}
B. {3}
C. {-3}
D. 
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Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 
, then y = 9.
A. k = 
; y = x + 
B. k = 
; y = 
x
C. k = 36; y = 36x
D. k = 
; y = 
x
Mathematics