Solve the problem.Use the rule of 70 to estimate the years to double for an annual inflation rate of 6%.
A. 12 years
B. 11 years
C. 9 years
D. 14 years
Answer: A
Mathematics
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Find the mean of the data set: ? ? Data Value Frequency 1 4 2 1 3 2 4 0 5 1 ?
A. ?2.125 B. 17 C. ?3.4 D. ?1 E. 0.975
Mathematics
Make the graph of 
. Use a horizontal span of 0 to 0.9.
What will be an ideal response?
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Solve the problem.A part used in manufacturing is shown in the figure. If the upper and lower sections are parallel, what is the angle between the diagonal and the upper section?
39°
A. 39° B. 129° C. 51° D. 141°
Mathematics
Use a sum-to-product identity to rewrite the expression.cos 18° - cos 24°
A. -2(cos (21.0°) sin (-3.0°)) B. -2(cos (21.0°) cos (-3.0°)) C. -2(sin (21.0°) sin (-3.0°)) D. -2(sin (21.0°) cos (-3.0°))
Mathematics