Solve.The number of board feet , N, that can be manufactured from a tree with a diameter of x inches and a length of y feet is modeled by the formula N = 
x2y - 2xy + 4y.Suppose that a lumber company has a fresh load of timber from 25 trees that averaged 14 inches in diameter and 15 feet in length. How many board feet of lumber can the company manufacture from this load of timber?
A. 375 board ft
B. 9375 board ft
C. 10,587.5 board ft
D. 64,500 board ft
Answer: B
Mathematics
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Match the equation with the surface it defines. 
+ 
= 1 
A. Figure 2 B. Figure 1 C. Figure 4 D. Figure 3
Mathematics
Simplify the expression.
A. 
B. 81
C. not a real number
D. 3
Mathematics
Write the word phrase as an algebraic expression. Use x to represent the unknown number.The quotient of a number and 4, decreased by 9
A. 
B. 
- 9
C. 
D. 
- 9
Mathematics
The bar graph shows the expenditures of one city government in a recent year. Use the graph to answer the question. 
Name the agency whose spending is between $5 million and $6 million and estimate its value.
A. Health; $6.5 million B. Health; $5.4 million C. Miscellaneous; $5.4 million D. Miscellaneous; $6.5 million
Mathematics