Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators.
B. Use the reciprocal of the second fraction (divisor) and multiply.
C. Add the numerators and multiply the denominators.
D. Add the numerators and factor the denominators.
Answer: B
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Describe the domain of the function of three or more varables.f(x, y, z) = 
A. The set of all points on and outside the ellipsoid 
+ 
+ z2 = 1.
B. The set of all points on and inside the ellipsoid 
+ 
+ z2 = 1.
C. The set of all points on and outside the ellipsoid 
+ 
+ z2 = 1.
D. The set of all points on and inside the ellipsoid 
+ 
+ z2 = 1.
Use l'H
pital's rule to find the limit.
A. 
B. - 
C. 0
D. 
Factor.18x2 - 15xy - 25y2
A. (3x - 5y)(6x + 5y) B. (3xy - 5)(6xy + 5) C. (18x - 5y)(x + 5y) D. (3x + 5y)(6x + 5y)
Solve the problem.An audio speaker that weighs 50 pounds hangs from the ceiling of a restaurant from two cables as shown in the figure. To two decimal places, what is the tension in the two cables? 
A. Tension in right cable: 35.90 lb; tension in left cable: 41.59 lb B. Tension in right cable: 35.90 lb; tension in left cable: 14.10 lb C. Tension in right cable: 14.10 lb; tension in left cable: 41.59 lb D. Tension in right cable: 41.59 lb; tension in left cable: 35.90 lb