Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = cos t + 4 cos 3t, y = 5 cos t - 4 sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Use the square root property to solve the equation. x2 = 225
A. {16, -16} B. {112.5} C. {15, -15} D. {15}
Mathematics
Solve the problem.The height of the tallest building in the town of Chorlton is 1389 feet. It is 160 feet taller than the second tallest building. What is the height of the second tallest building in Chorlton?
A. 1548 feet B. 1549 feet C. 1229 feet D. 1228 feet
Mathematics
Provide an appropriate response.Rationalize the denominator and simplify: 
Fill in the blank(s) with the appropriate word(s).
Mathematics