663 round nearest ten and hundred

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14