Which set of line segments can be used to construct a triangle? A) 6cm, 3cm, and 2cm
B) 7cm, 4cm, and 1cm
C) 8cm, 3cm, and 6cm
D) 9cm, 2cm, and 6cm

C

In order to make a triangle the sum of the two smaller measurements have to be more then then the longest side of the triangle
Therefore the only answer that works is C because 6+3=9 and 9>8n

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.