Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
A. - 
B. - 
C. - 
D. 
Answer: B
You might also like to view...
Find the domain of the rational function.f(x) = 
A. {x|x ? 0, x ? 25} B. {x|x ? -5, x ? 5} C. all real numbers D. {x|x ? -5, x ? 5, x ? -4}
Solve the problem.If ? is the mean and ? is the standard deviation of a normal distribution, then which of the following statements is true?
A. ? must always be positive, ? can be positive or negative. B. ? and ? must always be positive numbers. C. ? must always be bigger than ?. D. ? must always be positive, ? can be positive or negative. E. none of these
Solve the problem.On a cloudy day, Luciane needed to know the height of a window in a building. Luciane positioned a mirror on the ground between herself and the building so that when he looked in the mirror, she saw the window. If the mirror was 22.32 cm from her feet and 
from the base of the building and Luciane's eye was 1.76 m above the ground, how high up on the building was the window located? Round to the nearest meter.
A. 111 m B. 278 m C. 1 m D. 3 m
Solve the problem.The number G of gears a machine can make varies directly as the time T it operates. If it can make 2867 gears in 5 hours, how many gears can it make in 7 hours?
A. 573.4 gears B. 4013.8 gears C. 0.0122 gears D. 2879 gears