Solve the radical equation.5
+ 2 = 15
A. 
B. 
C. 
D. ?
Answer: C
Mathematics
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Find the length of the curve.x = 7 sin t - 7t cos t, y = 7cos t + 7t sin t, 0 ? t ? 
A. 
?2
B. 
?2
C. 
?
D. 
?2
Mathematics
Find the sum of the n terms of the indicated geometric sequence with the given values.54, 18, 6, . . . ; n = 6
A. 
B. 
C. 
D. 
Mathematics
Graph the ellipse.100x2 + 16y2 = 1600
A. 
B. 
C. 
D. 
Mathematics
Solve using both the addition and multiplication properties of equality.5r + 5 = 30
A. r = 20 B. r = 5 C. r = 1 D. r= 24
Mathematics