Raju has 2020 one-centimetre square tiles. He makes the largest square possible using some
of the 2020 square tiles. How many square tiles
does he have left over?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Kate is arranging new furniture in her rectangular sitting room. she has mapped the arrangement on a coordinate pane. a,b and c represent the sofas, v1 and v2 are decorative vases and aq the aquarium. find the distance between v1 and the aquarium. any body you