Simplify.Rationalize the denominator. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Multiply and simplify.
? 
A. -1
B. 
C. 
D. 
Mathematics
Evaluate the expression without using a calculator, or state that the value does not exist. Simplify the answer to the extent possible.sinh(2 ln 4)
A. 
B. 
C. 
D. 
Mathematics
Solve.The area of a square is found by the equation A = s2 where s is the length of a side. If the area of a square porch is 81 square feet, find the dimensions of the porch.
A. 8 feet by 8 feet B. 11 feet by 11 feet C. 9 feet by 9 feet D. 10 feet by 10 feet
Mathematics
Perform the operation and reduce to lowest terms.10
× 1
A. 19
B. 10
C. 18
D. 20
Mathematics