What fraction is equivalent to the expression 4/8 + 2/8

Which graph represents the equation y =4x

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)

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