6 + 7 = 7 + 6 is an example of the __________ property of addition.
Fill in the blank(s) with the appropriate word(s).
commutative
Mathematics
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Solve the equation.7(x + 7) = (7x + 49)
A. all real numbers B. 98 C. no solution D. 0
Mathematics
Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 64 - x2 and the x-axis, with density ?(x) = 8x2
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 
, 
= 0
Mathematics
Write the formula using the "language" of variation. V = ?r2h, where V is the volume of a cylinder of radius r and height h.
What will be an ideal response?
Mathematics
Without graphing, determine whether the following data set is exactly linear, approximately linear or nonlinear.
A. exactly linear B. nonlinear C. approximately linear
Mathematics