Add or subtract as indicated. Simplify if necessary. - 
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.sinh x = 
, csch x =
A. - 
B. 
C. 
D. 
Mathematics
Use the indicated formula to find the sum.Use S = 
to find the sum of 1 + 2 + 3 + . . . + 825.
A. 339,900 B. 339,076 C. 340,725 D. 340,312
Mathematics
Solve the problem.Find the volume of the solid bounded by the hyperboloid of one sheet 
and the planes 
and 
(The area of an ellipse with semiaxes a and b is ?ab)
A. 21.33? units3 B. 341.33? units3 C. 37.33? units3 D. 42.67? units3
Mathematics
Solve.A $160 coat is on sale at 45% off. Find the sale price.
A. $72.00 B. $1528.00 C. $7.20 D. $88.00
Mathematics