Solve the problem.Nikki is fishing from a bank 39 feet above water level. In this location, the fish tend to feed at 49 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. 10 feet
B. 88 feet
C. -39 feet
D. -10 feet
Answer: B
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The following table shows the number A , in millions, of traffic accidents t years after 2004. t 0 1 3 4 E 10.92 10.75 10.65 10.24? ? A: 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 equation.D: What number of accidents does the regression line predict for 2009?
What will be an ideal response?
Give a geometric description of the set of points whose coordinates satisfy the given conditions.x2 + y2 + z2 = 81, z = -2
A. All points within the sphere x2 + y2 + z2 = 81 and above the plane z = -2 B. All points on the sphere x2 + y2 + z2 = 81 and above the plane z = -2 C. The sphere x2 + y2 + z2 = 4 D. The circle x2 + y2 = 77 in the plane z = -2
Write the decimal of the point shown on the number line.
0.6?0.65?0.7
A. 0.67 B. 0.685 C. 0.68 D. 0.675
Tell whether the statement is true or false.Let A = {1, 2, 3, 4, 5, 6}, B = {3, 5, 7}, C = {1, 2, 4, 6}, D = {1, 6}, and 
{0, 2, 6} ? C
A. True B. False