Find Dxy.y = ln(cosh-16x)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate.
A. 5 B. -4 C. -5 D. -6
Mathematics
Solve the equation.8y - 3 = 7y - 7
A. -2 B. -5 C. -3 D. -4
Mathematics
Use the fundamental identities to simplify the expression.1 - cos2 ?
A. sin ? B. sin2 ? C. tan2 ? D. - sin2 ?
Mathematics
Solve. Simplify the answer.Angie is wrapping a present for her nephew. She has a roll of wrapping paper that has 10 feet of wrapping paper on the roll. She uses 
feet to wrap the present. How many feet of wrapping paper are left on the roll?
A. 2
feet
B. 9
feet
C. 2
feet
D. 1
feet
Mathematics