how do you do longhand

A pet association claims that the mean annual cost of food for dogs and cats are the same. The results for samples for the two types of pets are shown below. At a: 0.10, can you reject the pet association's claim? Assume the population variances are not equal. Assume the samples are random and independent, and the populations are normally distributed. Complete parts {a} through {e} below. [a]: Identify the claim and state Ho and HE. Which is the correct claim below? 0 A. '"he mean annual costs offood fordogs and cats are equal." 0 B. "'he mean annual cost of food for cats is greater than the cost for dogs.\" 0 (I. '"he mean annual cost of food for dogs is greater than the cost for cats." O D. "'he mean annual costs offood fordogs and cats are not equal."