A wheat farmer plants a field with winter wheat. The shape of the field is shown below. If 43,560 square feet equals one acre, how many acres are in this field? Round your answer to the nearest tenth.
57.6 acres
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Find the absolute extreme values of the function on the interval.f(?) = sin 
, 0 ? ? ? 
A. absolute maximum is 1 at ? = 0; absolute minimum is -1 at ? = ?
B. absolute maximum is 1 at ? = 
?; absolute minimum is -1 at ? = 
?
C. absolute maximum is 1 at ? = 
?; absolute minimum is -1 at ? = 
?,
D. absolute maximum is 1 at ? = 
?; absolute minimum is -1 at ? = 
?,
Solve the problem.The value of a certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons. The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 (10 is excellent condition).
The variables are found to be related by the equation 
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Identify the graph of the equation as a parabola, hyperbola, ellipse, or circle.y2 = 50 - x2
A. hyperbola B. parabola C. ellipse D. circle
Perform the indicated operation. Write the answer in scientific notation.(2.9 × 10-4)(1.6 × 10-9)
A. 4.64 × 1013 B. 4.5 × 1013 C. 4.64 × 10-5 D. 4.64 × 10-13