Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. 4
B. 16z
C. 4z
D. 4z2
Answer: C
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
ln 
+ C
B. ln 
+ C
C. 
ln 
+ C
D. 
ln 
+ C
Mathematics
Find the composite function for the given functions.f ? g for f(x) = 
x and g(x) = - 
x
A. x B. 1 C. 0 D. -x
Mathematics
Solve the problem.For their class play, Ron sold student tickets for $4.00 each and Kathy sold adult tickets for $6.50 each. If their total revenue for 23 tickets was $134.50, then how many tickets did Ron sell?
A. 17 tickets B. 6 tickets C. 22 tickets D. 8 tickets
Mathematics
The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 2, b = 2
A. 2
B. 2
C. 8
D. 7
Mathematics