Answer:
3, –2, –7, –12, ...
Step-by-step explanation:
f(n+1) = f(n) − 5
This means each term is 5 less than the term before it.
The only option that works is the third one.
∡'s are 172.5° and 7.5°
x = 23(180-x)
x = 4140 - 23x
add 23x to each side
24x = 4140
x = 4140/24
x = 172.5
x-12)=0
x-12+12=0+12
x=12
Solve:
(x-7) = 0
x-7+7 = 0+7
x=7
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hi
thx for the points. you so kind
