Simone recived 99$ for her birthday. of that 99$, she spent 5/11 at the mall. how much did simone spend at the mall?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Divide. write in the simplest form. 4 1/6 divided by 10

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.