Respuesta :
Answer:
a) 3x+7y
Step-by-step explanation:
Sorry I don't know the answer to question B
Hope this helps
a) In a football game, the worth of touchdown with extra points is =7
Field goal worth is = 3 points
The scores between 1 to 25 which are impossible for a team to score is 1,2,4,5,8,11,19,20,22,23,25