Elena writes the equation 6x + 2y = 12. write a new equation that has:

a) exactly one solution in common with elena’s equation

b) infinitely many solutions in common with elena’s equation

Of the following, which statement or statements accurately reflect a way in which credit can be safer than cash? i. if your credit card gets stolen, you can cancel it and get your money back. ii. it is harder to lose a single credit card than a large number of bills. iii. if a merchant does not honor the agreement, you can call the credit company and dispute the charges. a. i and iii b. ii only c. iii only d. i, ii, and iii