The measures of the sides of a triangle are 6x - 3, 8x + 3, and 6x + 4. What is the measure of each
side if the perimeter is 84 mm?

A. 21 mm, 35 mm, and 28 mm

B. 0 27 mm, 33 mm, and 24 mm

C. 25 mm, 32 mm, and 27 mm

D. 24 mm, 31 mm, and 29 mm