Answer:
You add up all the sides of the shape
First term (a) = -15
common difference(d)= -9-(-15)
= -9+15=6
So,
12th term(a12)= a +(n-1)d
= -15+(12-1)×6
= -15 + 11×6
= -15+66
= 51
y+2=-3x+12
-2 -2
y=-3x+10
This is as far as it can be simplified.
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hope it helps
Answer:
47min.
Step-by-step explanation: