Answer:
a = -7
B= *4
Step-by-step explanation:
I think form reading this your going to need to add or divded i need more informtaion to understand your question
Interior angle+exterior angle=180
10x +10 +3x -12 =180
13x-2=180
13X+182
X=14 sides
287 people said they did unless you want decimals its 286.65
Answer:
$70
Step-by-step explanation:
21/30 = 0.7
100x 0.7 = 70