Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-third as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame. 
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
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Use the graph to answer the question. 
What were the total sales for the first 6 months of 2006?
A. $366,000 B. $240,000 C. $46,000 D. $290,000
Mathematics
Evaluate the determinant. 
A. 37 B. 9 C. 6 D. 0
Mathematics
Solve the problem.A rancher in Calgary decides to build a silo inside his corral. The rectangular corral measures 
by 
and the silo's base is circular with a diameter of x meters. Find a polynomial for the remaining area of the corral (in square meters) after the silo is built.
A. 
m2
B. (286 - ?x2) m2
C. (286 - 2?x) m2
D. 
m2
Mathematics
Find the value of the strategy.Let M be the matrix game having payoff matrix 
.Find ?(y) when y = 
.
A. - 
B. - 
C. - 
D. 
Mathematics