Pls help i need a good grade in english !!

Recursive formula →

Step-by-step explanation:

Recursive formula given for the sequence is,

and

Therefore, sequence will be,

10, 1, -8, -17........

Explicit formula for an arithmetic sequence is,

Here, n = number of term

d = common difference

Therefore, recursive formula will be,

    = 10 - 9n + 9

    = 19 - 9n

answer: 414,377,008

step-by-step explanation:

just multiply it

she would want to sell 10 full-year subscriptions and at least 9 half-year subscriptions to get a total of at least $300. 

i hope this answer you! if you have any further questions or concerns, feel free to ask! : )

step-by-step explanation:

mark brainliest!