Find the distance d(P1, P2) between the points P1 and P2.P1 = (-3, -1); P2 = (1, -3)
A. 12
B. 2
C. 6
D. 12
Answer: B
Mathematics
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Provide an appropriate response.In order to add 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12, Mary wrote the sum as (5 + 12) + (6 + 11) + (7 + 10) + (8 + 9) = 17 + 17 + 17 + 17 = 68. What properties of addition justify Mary's procedure?
What will be an ideal response?
Mathematics
Use the figure shown below to answer the question(s).
The image of point A under a 90° clockwise rotation having rotocenter O followed by a reflection about the line L is
A. E. B. C. C. G. D. A. E. none of these
Mathematics
Use special right triangles to evaluate the expression.tan 30° - sin 45°
A. 
B. 
C. 
D. 
Mathematics
Graph the given function as a solid line (or curve) and its inverse as a dashed line (or curve) on the same set of axes.f(x) = -7x + 4
A. 
B. 
C. 
D. 
Mathematics