Jessica‘s mom is 30. Jessica‘s daughter is zero years old. Jessica‘s mom had Jessica at 15 years old. Jessica is 15 years old. Jessica‘s grandma is 45. Jessica‘s great grandma is 60. How old is Jessica‘s great great great great great great grandma? I know the answer it’s just so everybody can have extra points yay. Must show work. How many music part is Jessica grandma to her great great great great great great grandma?

90 and thx for the points

Step-by-step explanation:

Jessica's Great Great  Great Great  Great Grandma: 135 years old

Step-by-step explanation:

Jessica's Mom: 30 years old

Jessica's Daughter: 0 years old

Jessica: 15 years old

Jessica's Grandma: 45 years old

Jessica's Great Grandma: 60 years old

So we want to find the great great great great grandma. That's 3 great Grandmas away, so we must find 3 more values of people.

Let's start with organizing the ages from youngest to oldest to see if we can find a pattern.

Jessica's Daughter: 0 years old

Jessica: 15 years old

Jessica's Mom: 30 years old

Jessica's Grandma: 45 years old

Jessica's Great Grandma: 60 years old

We see that there is a nice pattern where each new person is 15 years older than the last. So let's continue the pattern for each new Grandma.

Jessica's Great Great Grandma: 75 years old

Jessica's Great Great Great  Grandma: 90 years old

Jessica's Great Great  Great Great Grandma: 105 years old

Jessica's Great Great  Great Great  Great Grandma: 120 years old

Jessica's Great Great  Great Great  Great Grandma: 135 years old

That's a very old Grandma!

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.