The yield in bushels from a grove of orange trees is given by 
, where x is the number of orange trees per acre. How many trees will maximize the yield?
?
A. 1,000 trees
B. 2,000 trees
C. 550 trees
D. 1,050 trees
E. 500 trees
Answer: E
Mathematics
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Solve the problem.Use the formula C = 
(F - 32) to find the Celsius temperature (C) equivalent to the given Fahrenheit temperature (F).F = 230°
A. C = 110° B. C = 446° C. C = 356.4° D. C = 145.6°
Mathematics
Graph the circle using the given equation.(x - 4)2 + (y + 1)2 = 25
A. 
B. 
C. 
D. 
Mathematics
Write the expression in the standard form a + bi.
A. 
+ 
i
B. 
+ 
i
C. 
- 
i
D. 
- 
i
Mathematics
Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.part = 76, percent = 30
A. whole = 253.3 B. whole = 25.3 C. whole = 22.8 D. whole = 2533
Mathematics