Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.
A. 
B. 
C. 
D. 7p25
Answer: C
Mathematics
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Evaluate the integral.
A. 
x + 
sin 4x + 
sin 8x + C
B. 
x + 
sin 4x + 
sin 8x + C
C. 
x + 
sin 2x + 
sin 4x + C
D. 
x + 
sin 2x + 
sin 8x + C
Mathematics
Solve the problem.A painter leans a ladder against one wall of a house. The ladder is 27 ft long. The base of the ladder is 20 ft from the house. How high is the wall? Round approximations to the nearest tenth. 
20 ft
A. 23.5 ft B. 164.5 ft C. 9.1 ft D. 18.1 ft
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Mathematics
Solve the problem.Give an expression for a function defined by f(x) with the following properties: 
is a polynomial,
A. f(x) = 
B. f(x) = x3 + 1
C. f(x) = x2 + 1
D. f(x) = e-x
Mathematics