Simplify this expression: a + 2a + 3b - a - b

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142