Divide and simplify.
÷ 
A. 
B. 
C. x + 3
D. 
Answer: A
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Calculate the arc length of the indicated portion of the curve r(t).Following the curve r(t) = 12ti + (5 cos t)j + (5 sin t)k in the direction of increasing of arc length, find the point that lies 65? units away from the point where 
A. (60?, -5, 0) B. (60?, 0, -5) C. (60, -5, 0) D. (60?, 0, 0)
The following table shows the number T, in millions, of international tourists visiting the United States t years after 2005. t 0 1 2 3 T 49.88 51.65 55.40 57.04A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression line.D: What number of tourists does the regression line predict for 2011?
What will be an ideal response?
Solve using a matrix on a graphing calculator.
A. (-11.3, 15.9, -8.1) B. (-14.1, 19.9, -10.1) C. (-2.8, 4.0, -2.0) D. (-5.6, 8.0, -4.0)
Use a Venn diagram to find the GCF or LCM as indicated.Given 42 and 378, find the GCF.
A. 14 B. 42 C. 6 D. 21