Which one doesn’t belong?

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

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.6