Solve the equation.
= 13
A. -26
B. -13
C. -15
D. -24
Answer: A
Mathematics
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Find the derivative of y with respect to the appropriate variable.y = (1 - 6t) coth-1 
A. 
- 6 tanh-1 
B. 
- 6 coth-1 
C. (1 - 6t) coth-1 
D. - 3t
Mathematics
Find the sample standard deviation.6, 7, 5, 11, 18, 14, 20, 12, 13, 18
A. 1.4 B. 4.8 C. 4.9 D. 5.3
Mathematics
Find the most general antiderivative.
dy
A. 
- 
+ C
B. 2 tan-1 y - ln |y| + C
C. 2 tan-1 y - 5 ln |y| + C
D. 2 tan-1 y + 5 ln |y| + C
Mathematics
Multiply.55 × 0.4
A. 23.1 B. 55.4 C. 22 D. 22.11
Mathematics