Simplify.9 + 25 ? 5 + 3
A. 173
B. 42
C. 137
D. 272
Answer: C
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Use an identity to write the expression as a single trigonometric function or as a single number.
A. 
B. 
C. 
D. 
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Compute the standard deviation(s).0.438?0.171?0.442?0.135?0.467?0.477?0.624
A. 1.2697 B. 0.1762 C. 1.0835 D. 0.135
Find the slope and the y-intercept of the line.-8x + 9y = 2
A. Slope 
; y-intercept (0, 
)
B. Slope 8; y-intercept (0, -2)
C. Slope 
; y-intercept (0, 
)
D. Slope 
; y-intercept (0, -
)
Write the equation of the line whose graph is shown.
A. y = -2x + 7
B. y = 
x - 2
C. y = 2x + 7
D. y = 
x + 7