Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 6.75
B. x = 13.5
C. x = 22.5
D. x = 20.25
Answer: D
Mathematics
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Find the standard deviation. Round to one more place than the data.22, 29, 21, 24, 27, 28, 25, 36
A. 1.6 B. 4.8 C. 4.2 D. 2.8
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Provide an appropriate response.In right triangle ABC, with right angle C, side a = 12, b = 16, and c = 20, find the cos A expressed as a fraction in lowest terms.
Fill in the blank(s) with the appropriate word(s).
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Solve the problem.The ratio of the distances a pitching wedge and an 8-iron will drive a golf ball is 4 to 5. If a golfer averages 136 yards with a pitching wedge, how far should she average with an 8-iron?
A. 109 yd B. 127 yd C. 170 yd D. 145 yd
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Find all rational zeros of the polynomial.P(x) = x3 - 
x2 + 
x - 
A. -1, 
, 5
B. -1, - 
, 5
C. 
, 1, 5
D. -5, -1, 
Mathematics