By counting squares and parts of squares, inside or outside the figures, find the area of the following figures:


Mathematics

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Decide whether or not the ordered pair is a solution of the system.(3, -6)3x = -15 - y4x = -30 - 3y

A. No B. Yes

Mathematics

Perform the indicated operation. Simplify, if possible. + 

A.
B.
C.
D.

Mathematics

Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.(A ? C)'

A. {-1} B. {-8, -3, 0, 2, 4, 5, 6, 7, 9} C. {-8, -3, -1, 2, 4, 5, 6, 7, 9} D. {-8, -3, -1, 2, 4, 5, 7, 9}

Mathematics

Solve.8x(x - 5) - 125 = 5x(x - 10)

A. -25i, 5i
B. -5
C. - 5
D. - -5

Mathematics