How would you write a term with a numerical coefficient of -5 and variable of q

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly