She saves 8.8888888 gallons of gas every week by carpooling.
Answer:
MULTIPLY!!!!!11!!!!!!!
Step-by-step explanation:
3x2+1/x2-26
10= 15+18x-3x
25= 15x
x= 1.6
Answer: Option C)

Step-by-step explanation:
Note that the sequence increases by a factor of 2.5, that is, each term is the sum of the previous term plus 2.5.

therefore this is an arithmetic sequence with an increase factor d = 2.5
The linear formula for the sequence
is:

Where

is the first term of the sequence
So


The answer is the option C)