Graph the pair of parametric equations with the aid of a graphing calculator.x = 7t - 7 sin t, y = 7 - 7 cos t, -2? ? t ? 2? 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.What form do planes perpendicular to the y-axis have in spherical coordinates?
A. ? = a csc ? csc ? B. ? = a sin ? sin ? C. ? = a csc ? D. ? = a csc ?
Mathematics
Provide an appropriate response.Evaluate x2 - x for the value of x satisfying 18(x - 9) + 81 = 18x - 9(18 - x).
A. -8 B. 90 C. 72 D. 10
Mathematics
Simplify the expression using order of operations.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Write an equivalent expression using negative exponents.
A. 3-9 B. 8-3 C. 38 D. 3-8
Mathematics