Use the distance formula to find the distance between the pair of points.(3, 6) and (-1, -7)
A. -9
B. 52
C. 
D. 
Answer: C
Mathematics
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x - 4, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Mathematics
Express the radical in simplest form, rationalize denominators, and perform the indicated operations.
+ 3
A. 9
B. 9
C. 21
D. 18
Mathematics
Determine whether the ordered pair is a solution for the equation.(3, 8); x + y = 6
A. Yes B. No
Mathematics
Solve the problem.Find the value of k so that the graph of 9y + kx = 4 and the line containing the points 
and 
are perpendicular.
A. k = 15.75 B. k = -20.25 C. k = 20.25 D. k = -15.75
Mathematics