If Ap=13 and AB =24 find the lengths of BP cp and fp​

Landon wrote that 3−2.6=4. which statement about his answer is true?

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.

Does y+x=1 show direct variation. yes or no.