El producto de dos números distintos es equivalente al sucesor del primer numero

Which of the following are accepted without proof in a logical system? check all that apply.

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

If rt is greater than ba, which statement must be true ?