7 = 10.2
12 = 17.7
Let's take
d = 17.7 - 10.2/ 12 - 7
d = 7.5/ 5
d = 1.5
The common difference is 1.5
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Answer:
1) 
2) 
3) 
Step-by-step explanation:
Given the expression we have to simplify the expression
1) 
⇒ 
Combining like terms, we get
⇒ 
2.) 
⇒ 
⇒ 
3.) 
⇒ 
⇒ 
Jessie = Todd + 6
Todd = Ryan -2
if Ryan = r
so Todd = r-2
then Jessie = (r-2) + 6 = r-4 years old
The difference bettween 30 and 5 would be 25
Answer:
5
Step-by-step explanation: