Missing numbers and rules

This task is about identifying missing numbers and the rule for a growing number pattern.
collection of numbers
For each set of numbers

  1. write the three missing numbers,
  2. write the rule for the number pattern.

Question 1Change answer

Write the 3 missing numbers in this pattern:  9,  15,  21, ,, 

Write the rule for the pattern 

Question 1Change answer

Write the 3 missing numbers in this pattern: 35, 47, , 71, ,

Write the rule for the pattern 

Question 1Change answer

Write the 3 missing numbers in this pattern: , 130, 124, 118, , , 100

Write the rule for the pattern 

Question 1Change answer

Write the 3 missing numbers in this pattern:  84, 76, 68, , , 

Write the rule for the pattern