Asequence is: an arrangement of quantities whose positions are based upon the natural numbers any list of numbers a summation of quantities whose positions are based upon the natural numbers

It'd be your first option, An arrangement of quantities whose positions are based upon the natural numbers, I know cause I had the same question and this was the answer.

Step-by-step explanation:

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had