Consider the language graph-isomorphism = {(g_1, g_2): g_1 and g_2 are isomorphic graphs}. prove that graph-isomorphism element np by describing a polynomial-time algorithm to verify the language.

Acetylene is a gas which burns rapidly on its own, and is considered highly explosive. a) true b) false

Johnson enterprises uses a computer to handle its sales invoices. lately, business has been so good that it takes an extra 3 hours per night, plus every third saturday, to keep up with the volume of sales invoices. management is considering updating its computer with a faster model that would eliminate all of the overtime processing.

Acompany is hiring professionals for web designing. the firm is small with few resources. they want employees who possess problem-solving skills and can independently carry out responsibilities. which kind of employee should they select?