C. 14.9 because the second number is 5 so you drop the seven and the 5 and round the 8 up to 9
Let a = 7 , b = 7, and c = 13. c is always the biggest number.
Acute Triangle is when

Right Triangle is when

Obtuse Triangle is when
<h3>Morgan invested for 17 years</h3>
<em><u>Solution:</u></em>
From given,
Principal = $ 50, 000
Total amount = $ 177, 500
Rate of interest = 15 %
Number of years = ?
Interest amount = Total amount - principal
Interest amount = 177, 500 - 50, 000
Interest amount = 127500
<em><u>Use the formula,</u></em>

Thus he invested for 17 years