Graph the system of inequalities.y ? -x2x + y ? -2
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the area of the specified region.Inside the circle r = 
sin ? and outside the cardioid r = 1 + cos ?
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 21
A. {110} B. {220} C. {440} D. {-220}
Mathematics
Provide an appropriate response.{x|x ? N and 45 < x < 70} ? {x|x ? N and 45 ? x ? 70}
A. True B. False
Mathematics
A satellite is circling 112 miles above the earth, as shown in the figure. When the satellite is directly above point B, angle A is found to be 76.6°. Use this information to find the radius of the earth. Round your answer to the nearest mile.
?
?
?
?
A. 4,000 mi B. 4,006 mi C. 4,002 mi D. 3,986 mi E. 4,012 mi
Mathematics