Answer:
44/3 degrees
Step-by-step explanation:
Angle CBD = 180 - (64 + 72) = 44
Angle ADB = 44/3 (Since of the ratio)
$3 per attendee
($100 - $40) / (20 - 0) = $3 per attendee
Perimeter is 7y+2
Area is 4y^2+1y
13