Rectangle a is dilated to form rectangle b. what is the scale factor used .​

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Pls brainliest will be awarded if answer is correct