Hey there, Megan1321!
This question is basically saying that 5 is half of what number.
The answer is 10 because half of 10 is 5
Whenever you have a question that says 5 = 1/2 of ____, you need to multiply that number by 2 to get the double number, or the number you need. If it's 5 = 1/3 of ____ you just multiply it by 3 and you get 15 and so on
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Nth term rule is 4n - 2
Next 2 terms: 18, 22
we need the graph/ lines,
but just remember
wherever 2 lines intersect, that is a solution
if they are paralell, no solutions
if they cross, 1 solution
if they are the same line/ the lines are on top of each other exactly, infinite solutions
A, and i also recommend using desmos graphing calculator for answers like this