Find the square root.-
A. 
B. -3
C. -81
D. not a real number
Answer: B
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Find the focus and directrix of the parabola with the given equation.y2 = 36x
A. Focus: (0, -9), directrix: y = 9 B. Focus: (0, 9), directrix: y = -9 C. Focus: (9, 0), directrix: x = -9 D. Focus: (-9, 0), directrix: x = 9
Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.
= 1
A. Commutative B. Inverse C. Identity D. Associative
A small town has only two dry cleaners, Fast and Speedy. Fast hopes to increase its market share by conducting an extensive advertising campaign. The initial market share for Fast was 40% and 60% for Speedy. Solve the problem.Use the initial market share as an initial distribution matrix, along with the following stochastic matrix, to find the market share for each firm for the second batch of clothing after the campaign. Round your answer to the nearest percent.FastSpeedy 
A. 68% for Fast and 33% for Speedy B. 53% for Fast and 47% for Speedy C. 33% for Fast and 68% for Speedy D. 47% for Fast and 53% for Speedy
Find the constant of variation when t varies directly as the square of s, and t = 64 when s = 4.
A) 11 B) 4 C) ¼ D) 1/11 E) 16