Find the length of the curve.x = 
+ 
from y = 1 to y = 3
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the standard deviation for each data set. Round to one more place than the data.158, 182, 170, 264, 300, 238, 126, 158, 168
A. 24.5 B. 57.7 C. 54.4 D. 61.7
Mathematics
Find all numbers u (if any) so that the given point (u, y) or (x, u) is on the unit circle.
A. ± 
B. ± 
C. None
D. ± 
Mathematics
Solve the problem.The area of a parallelogram is 25x3 + 60x2 + 40x + 7. Find a polynomial that expresses the height if the base is 5x + 7.
A. 5x2 + 5x + 7 B. 5x2 + 10x + 1 C. 5x2 + 5x + 1 D. 10x2 + 5x + 1
Mathematics
Factor by grouping.15x2 - 6x - 25x + 10
A. (3x + 5)(5x + 2) B. (15x + 5)(x + 2) C. (3x - 5)(5x - 2) D. (15x - 5)(x - 2)
Mathematics