A lumber yard cuts 2" x 4" lumber into 8 foot studs. It is observed that the actual lengths of the studs are normally distributed with mean 8 feet and standard deviation 1 foot. What proportion of the studs are longer than 8.25 feet? Enter just a real number rounded off to two decimal places.
Fill in the blank(s) with the appropriate word(s).
.006
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You want a linearization that will replace the function over an interval that includes the point x0. To make your subsequent work as simple as possible, you want to center the linearization not at x0 but at a nearby integer x = a at which the function and its derivative are easy to evaluate. What linearization do you use?f(x) = -2x2 - 5x + 9, x0 = 1.1
A. -11 - 9x B. 12 - 10x C. 2 D. 11 - 9x
The pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the years indicated. 
What was the amount of increase in the number of cyclists from 2005 to 2006?
A. 70 B. 105 C. 65 D. 60
Solve the problem.There are approximately 3.28 feet in 1 meter. How many meters are there in 55 feet? Round to the nearest hundredth.
A. 1.68 m B. 0.06 m C. 5.96 m D. 16.77 m
For the pair of vectors, find 
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Fill in the blank(s) with the appropriate word(s).