For 3, it is an isosceles triangle and it is an acute triangle.
<span>6.89 + t = 8.00</span><span>
t = 8 - 6.89
t = 1.11
tips = $1.11
</span>answer
a.6.89 + t = 8.00
Here's infinity minus 1.

If you don't like that, here's 1,153,300,781,250.

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Please note that according to the order of operations, the only denominator value is the first box after "÷".