Andy scored a 90 on his last math exam. He scored 81 this time. By what percent did his score decrease

What is 20+(5 x 2/5 )+ 3 show your work

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?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle