Find an equation of the plane. the plane through the point (4, −6, −4) and parallel to the plane 4x − y − z = 5

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Determine the function’s value when x = -1 a. g(-1)=-3 b. g(-1)=0 c. g(-1)=1 d. g(-1)=27

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.