Solve the problem. If necessary, use 3.14 for ?, and round your answer to the nearest hundredth of a unit.A semicircular driveway has a diameter of 150 ft. How long is the driveway?
A. 233.5 ft
B. 235.5 ft
C. 471 ft
D. 3750 ft
Answer: B
Mathematics
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Factor the expression by grouping terms. : 2x³ + x² - 6x - 3
What will be an ideal response?
Mathematics
Evaluate the integral.
A. 1680 B. 280 C. 42 D. 7
Mathematics
Write in standard form the equation of the ellipse with the given characteristics.vertices are (-9, 10), (-15, 10), (-12, 18), and (-12, 2)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Use a calculator to find a decimal approximation for the indicated function value. Round your answer to four decimal places.cos 5.71
A. -0.5931 B. -0.8402 C. 0.8402 D. 0.5931
Mathematics