Solve the problem. Give the answer to the nearest thousandth if necessary.A boat travels 3 miles south and then 10 miles east. How far is the boat from its starting point? 
East --10 mi-->
A. 54.5 mi
B. 5.22 mi
C. 6.5 mi
D. 10.44 mi
Answer: D
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Find the derivative.y = 
+ 
A. y ' = - 10 csc x cot x + sec2 x B. y ' = 10 csc x cot x - csc2 x C. y ' = 10 csc x cot x - sec2 x D. y ' = 10 cos x - csc2 x
Which of the following is NOT a cause of student difficulty on the broken ruler problem?
a. Inability to read fractional lengths. b. Believing that the number appearing below the right side of an object measured on the ruler indicates its length, regardless of where the object is placed on the ruler. c. Counting a mark above a whole number as a unit of length rather than the distance between two consecutive whole numbers. d. Over-reliance on calculators as computational devices.
Provide an appropriate response.Which of the following is a root of 2x2 - 3x - 1 = 0?
A. 
B. 
C. 
D. 
E. 
Find a formula for the inverse of the function described below.A size 12 dress in Country C is size 64 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
- 20
B. f-1(x) = x - 20
C. f-1(x) = 
+ 20
D. f-1(x) = 