Which of the following expressions are equivalent to −3.5(2 − 3n) − 2.5n? a. −7 − 8n b. −7 + 8n c. −7 − 13n d. −7 − n(10.5 − 2.5) e. −7 + n(10.5 − 2.5)

Which of the following describes the symmetry of the graph of y = x3?

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

How is this equation completed? i cannot find any examples in the book.