Step-by-step explanation:
Ans is 20 .
F union C whole complement is 20
Answer:

Step-by-step explanation:
3 = −5⁄7[−4] + b
2 6⁄7

Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>], so 1 2⁄5 [or 7⁄5] becomes −5⁄7.
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Answer:
x=59
Step-by-step explanation:
x+12+x+x-9=180
3x+3=180
-3 -3
3x=177/3
x=59
Commutative Property of Addition
Its wrong for x = 2
y = (3/4) * 2^2 = 3 (NOT 4)