Find the answer p if 4p/15=8

How do i solve using pythagorean theorem?

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.