Write the proportion.7 inches is to 9 inches as 35 inches is to 45 inches.

A.  = 
B.  =  
C.  =  
D.  =  


Answer: D

Mathematics

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Find an equation of the plane that passes through the points P, Q, and R. : P(8,1,1), Q(5,2,0), R(0,0,0)

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Fill in the blank with one of the words or phrases listed below.A(n)  contains a whole number part and a fraction part.

A. composite number B. proper fraction C. mixed number D. prime number

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Differentiate.y = 

A.  = x + 
B.  = 1 - 
C.  = 1 + 
D.  = 1 + 

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A nursery has $50,000  of inventory in dogwood trees and red maple trees. The profit on a dogwood tree is 23%  and the profit on a red maple tree is 10%. The profit for the entire stock is 17%. How much was invested in each type of tree? ?

A. Red maple: $23,277; Dogwood: $26,923 B. Red maple: $23,077; Dogwood: $27,123 C. Red maple: $23,077; Dogwood: $26,923 D. Red maple: $23,077; Dogwood: $23,277 E. Red maple: $27,123; Dogwood: $26,923

Mathematics