1/2-5/6 can someone help me

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

The area of a circle is equal to 1 dm². find the radius of the circle.

Jim had 15 minutes to do 5 laps around his school what would his time be