Sagot :
Step-by-step explanation:
1.) 1 , 4, 9, 16 , 25 , 36 , 49
Rule: Multiply the counting numbers by itself or squaring counting numbers. (1×1) , (2×2) ,(3×3)
2.) 3, 5 , 7, 9, 11 , 13 , 15
Rule: Add 2
3.) 20 , 16 , 12 , 8, 4 , 0 ,
Rule; -4
hope it's help^_________^