A rectangular floor measure 12m by 9m . A rectangular rug measuring 5m by 3m was placed on the middle of that floor. What is the area of that floor not covered by the rug? don't put it in no file please​

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.