Question 178690
(a)     If I don’t go to the movie, I’ll study my math. 
antecedent = I don't go to the movie 
consequence = I'll study my math 
converse = If I study my math, I won't go to the movie 
inverse = If I go to the movie, then I won't study my math. 
contrapositive = If I don't study my math, I'll go to the movie 

(b)     Your car won’t start if you don’t have gasoline in the tank. 
antecedent = you don't have gasoline in the tank 
consequence = your car won't start 
converse = you don't have gasoline in the tank if your car won't start 
inverse = your car starts if you have gasoline in the tank 
contrapositive = you have gasoline in the tank if your car starts