Answer:
2.4 i am pretty sure
Step-by-step explanation:
you just have to work backwards
Answer:
Answer below in picture:-
Hope it helps.
Answer:
See explanation
Step-by-step explanation:
Consider the sequence 10, 6, 2, -2, -4, ...
Rewrite it as

The points on the coordinate plane are
(see attached graph).
Since
given sequence is arithmetic.
She wrote a 4 instead of a 3.
There are only 3 numbers that are greater than 7. They are 8, 9, and 10. Mariah must have include 7 in her list. That is how she got 4 instead of 3.
2/3 is just .6666666666 and the 6 goes on forever