Answer:
<h3>

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Step-by-step explanation:
3, 9, 15, 21, ...
9-3 = 6; 15-9 = 6; 21-15 = 6 ⇒ d = 6
first term: a = 3
difference: d = 6
so the formula:
and:

She says 35 because number 7 in line says 31, so 31+4=35...
I hope this helped you!
<span>Which set of line segments could create a right triangle? a 15, 30, 35 b 15, 36, 39 c 15, 20, 29 d 5, 15, 30 = </span>b 15, 36, 39
18 $ Hope I helped
This is how I came to the result..
119-11= 108
108 : 6 = 18 $