Pls help me with the question solve the systems by elimination

-x+5y=17
x + 2y =11
they are both different equations but they are the same question

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.