What happens to graph when you add a constant to a function ? ex: f(x)+k solve!

Solve the system of equations. y= 2x y= x^2 - 15

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.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup