1/3*21
if a is a square matrix of order 3 then show that a= a transpose is symmetric
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-6 to the second power + 7(-6) + 8
expand 13+35
30-19
1/3*30
52.45x+0.6=50.35y
y=10
28 - 13 (mod 3)
y=7x
x to the second power + 7x + 8 evaluate when x = -6
