Question 358155
y= 21.0 sqrt7 +18, I thought that it would be y=21.0 + 2.65 +18, y=41.65.
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You show 21 times sqrt(7), but then you add them ??
{{{y = 21sqrt(7) + 18}}}
y = 21*2.65 + 18
y = 55.56 + 18
y = 73.56