Robin earned $4,581 in 9 weeks. how much does he earn per week?

Place the following steps in order to complete the square and solve the quadratic equation,

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain

In what organelle does photosynthesis take place?