Tell whether the sequence is arithmetic if it is what is the common difference? 1, 1 1/8, 1 1/4, 1 3/8 a: no b: yes, 1/4 c: yes, 1/8 d: yes, 8

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