Answer:
D
Step-by-step explanation:
The common difference d, between the terms is
d = - 9 - 3 = 3 - 15 = 15 - 27 = - 12
To find the next term in the sequence subtract 12 from the previous term
⇒ - 9 - 12 = - 21 ← is the next term in the sequence
Do you want the exact form or decimal form?
Answer:
d
Step-by-step explanation:
rearrange it like an equation.
take everything else out of the middle apart from x.
make sure that what you do to the middle you do to both sides
Answer:
36
Step-by-step explanation:
9+9+9+9=36
