Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. -1
B. -24
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.Evaluate 
by writing the integrand as an integral.
A. ln 
B. 
C. 
D. ln 
Mathematics
Find the consumer surplus at the equilibrium point.D(x) = 5x +2; x = 0
A. $5 B. $7 C. $2 D. $0
Mathematics
Solve the problem.Find the mean for the data items in the given frequency distribution. Round to two decimal places, if necessary.
A. 7.52 B. 6.54 C. 6.1 D. 5.51
Mathematics
Find an equation for the circle.Center at (3, -4), diameter of length 7.8
A. (x + 3)2 + (y - 4)2 = 15.21 B. (x + 3)2 - (y + 4)2 = 60.84 C. (x - 3)2 + (y + 4)2 = 15.21 D. (x - 3)2 + (y - 4)2 = 3.9
Mathematics