What are the coordinates of the image of P for a dilation with center (0,0) and scale factor 2?

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.