Ijust need to know which one works! plz urgent!

Which is a graph of a proportional relationship?

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

Which law states that if a conditional is true and its hypothesis is true, then the conclusion is true? a. the law of syllogism c. the law of detachment b. the law of conditional d. the law of deductive reasoning