What is the slope of the line given by the equation y=-6x-3?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which one ? is the answer and how to find this answer

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth