Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.
A. 11x2
B. -11x
C. 11x
D. 121x
Answer: C
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Solve the problem. Round to the nearest tenth.A flagpole casts a shadow 28 feet long. At the same time, the shadow cast by a 39-inch-tall shrub is 78 inches long. Find the height of the flagpole.
A. 12.5 ft B. 56.0 ft C. 54.5 ft D. 14.0 ft
Convert the length as indicated. Round the answer to one decimal place.5.1 feet to centimeters (feet ? inches ? centimeters)
A. 155.4 cm B. 13.0 cm C. 129.5 cm D. 200.8 cm
Find a polynomial equation with real coefficients that has the given roots.4, -9
A. x2 - 36x + 5 = 0 B. x2 - 5x - 36 = 0 C. x2 + 5x - 36 = 0 D. x2 - 36x - 5 = 0
Find the probability.A card is drawn from a well-shuffled deck of 52 cards. What is the probability of drawing a black card that is not a face card?
A. 
B. 
C. 
D. 