Find the sum.-20 - 4 - 
- 
- . . .
A. 5
B. - 25
C. - 
D. Does not exist
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 = 
, coth x =
A. 
B. 
C. 
D. 
Mathematics
Combine the complex numbers.(-3 + 3i) - 4
A. -7 + 3i B. 1 + 3i C. 7 - 3i D. 1 - 3i
Mathematics
Find the length of the unknown side of the right triangle with sides a, b, and c, where c is the hypotenuse.a = 9, c = 15
A. 14 B. 11 C. 12 D. 15
Mathematics
Simplify. Assume that variables represent positive real numbers.
A. 169x18 y8 z10 B. 13x10 y8 z6 C. 13x18 y14 z10 D. 169x10 y14 z10
Mathematics