Answer:
They're supplementary angles AND same-side interior angles.
Answer:
28 inches
Step-by-step explanation:
P = 2 (a + b) = 2 · (6 + 8) = 28
Kylie's first month collection, a1= $ 145
Second month collection , a2= $145+ 20
Third month collection, a3 = $145 +2*20
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so for n months collection = an-1+20
We get an= 20 + an-1 and a1=145