Need solving this geometry problem.

Which of the following shows the length of the third side, in inches, of the triangle below

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

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