Select the correct answer. what is the solution to this system of equations? x − 2y = 15 2x + 4y = -18 a. x = 1, y = -6 b. x = 1, y = -7 c. x = 3, y = -6 d. x = 3, y = -7

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