N^6/5.. change to radical form

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Bring the fraction a/a-4 to a denominator of 16-a^2

Hurry can a triangle can be constructed with angles measuring 115°,55°, and 20°? yes or no