There isn’t a picture but hopefully I can help u
Answer: r+7
Whatever his age is now, we add 7 to it. So we simply add 7 to r getting r+7.
Example: Say he is 10 years old now
r = 10
r+7 = 10+7 = 17
meaning he will be 17 seven years from now
Answer:
7.5 ab and cd
4 bd and ac
Step-by-step explanation:
Assuming the sequence goes on like this 11,-33,99,-297,891,...,
its general formula is

So, the 9th term is
Answer:
yellow: x=6
red: y=4
blue: y=-2
Step-by-step explanation: