Respuesta :

Chelboy

Answer:a=1 b=5 c=9

Step-by-step explanation:

-7,-3,a,b,c,...... Is the arithmetic sequence

first term=p=-7

Common difference=d=-7-(-3)=-4

a is the 3rd term=-3+4=1

b Is the 4th term=1+4=5

c is the 5th term=5+4=9

Therefore

a is 1

b is 5

c is 9