The surface area for this,, please help!!

The circumference of a circle is 60 pi cm3what is the radius of the circle

When only separate discreet points are graphed it is called?

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60